Modal chord progression and tritone substitution
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Is is possible to use tritone substitution in modal chord progression?
For example I have a simple I-IV-V-I chord prog, in C mixolidian:
C-F-Gm-C.
Can I substitute the Gm with Db7? And if yes the functionality will remain the same?
I've read somewhere (i cant remember where) this work a little bit different. In this case I want to substitute the dominant chord, so according that I have to calculate the dominant chord's replacement chord in the major scale which is F major. In F major the dominant note is the C and its tritone is Gb. So It would be C-F-Gb7-C.
It seems wrong to me.
Thanks in advance.
chord-progressions modal
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add a comment |
up vote
4
down vote
favorite
Is is possible to use tritone substitution in modal chord progression?
For example I have a simple I-IV-V-I chord prog, in C mixolidian:
C-F-Gm-C.
Can I substitute the Gm with Db7? And if yes the functionality will remain the same?
I've read somewhere (i cant remember where) this work a little bit different. In this case I want to substitute the dominant chord, so according that I have to calculate the dominant chord's replacement chord in the major scale which is F major. In F major the dominant note is the C and its tritone is Gb. So It would be C-F-Gb7-C.
It seems wrong to me.
Thanks in advance.
chord-progressions modal
New contributor
add a comment |
up vote
4
down vote
favorite
up vote
4
down vote
favorite
Is is possible to use tritone substitution in modal chord progression?
For example I have a simple I-IV-V-I chord prog, in C mixolidian:
C-F-Gm-C.
Can I substitute the Gm with Db7? And if yes the functionality will remain the same?
I've read somewhere (i cant remember where) this work a little bit different. In this case I want to substitute the dominant chord, so according that I have to calculate the dominant chord's replacement chord in the major scale which is F major. In F major the dominant note is the C and its tritone is Gb. So It would be C-F-Gb7-C.
It seems wrong to me.
Thanks in advance.
chord-progressions modal
New contributor
Is is possible to use tritone substitution in modal chord progression?
For example I have a simple I-IV-V-I chord prog, in C mixolidian:
C-F-Gm-C.
Can I substitute the Gm with Db7? And if yes the functionality will remain the same?
I've read somewhere (i cant remember where) this work a little bit different. In this case I want to substitute the dominant chord, so according that I have to calculate the dominant chord's replacement chord in the major scale which is F major. In F major the dominant note is the C and its tritone is Gb. So It would be C-F-Gb7-C.
It seems wrong to me.
Thanks in advance.
chord-progressions modal
chord-progressions modal
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New contributor
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asked Dec 12 at 12:12
Gery
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...I-IV-V-I chord prog, in C mixolidian: C-F-Gm-C...
You're mixing up symbols and tonalities.
If C mixolydian, then the V
- the triad on the dominant/^5 scale degree is a minor chord, so lower case v
.
C-F--Gm-C
C mixo: I-IV-v--I
If we speak properly of a dominant chord then the chord must have a leading tone the ^7 scale degree one half-step below the tonic.
Mixolydian mode doesn't have a leading tone, therefore it doesn't have a dominant. Strictly speaking then you don't have a dominant to substitute.
Side note: to me modal generally implies music without a real dominant chord. Ionian mode of course it just the major mode so that more or less excludes Ionian from the general sense of "modal" harmony. Except for the Lydian mode all the other modes do not have leading tones and so they don't have dominant chords. From that perspective tritone substitution may be foreign to modal harmony.
Back to your chords.
If you change your harmony to use a real dominant you will be in C major, you would get...
C-F--G7-C
C: I-IV-V7-I
With labels
C-F--Db7--C
C: I-IV-bII7-I
I suppose you could have that G7-C
change and still have the music sound like it was Mixolydian, but it would depend on exactly how you handled G7-C
. It would need to sound like a temporary tonal shift. It would help if the melody somehow clearly sounded Mixolydian. Perhaps by avoiding the raised ^7 degree. You would have to handle the harmony somehow to make Mixolydian the clear tonality and the bII7-I
substitution seem temporary. You would probably need the minor v
in the progression to make Mixolydian clear. You would have to play with that Mixolydian/major and B♮/Bb
relationship.
Finally, the other way to look at this is to say your progression isn't really in C Mixolydian, but rather in F major. In that case you have to re-label your chords...
C-F-Gm-C
F: V-I-ii-V
We have a proper dominant now, but it's in a different position in the order of the chords. The substitution might be like...
Gb7--F-Gm-Gb7
F: bII7-I-ii-bII7
Back to part of your question...
...In F major the dominant note is the C and its tritone is Gb. So It
would be C-F-Gb7-C. It seems wrong to me...
You were correct. The only problem is you substituted the wrong chord! You substituted the ii
instead of the V
chord.
So, make sure you identify a real dominant chord then make the tritone substitution.
add a comment |
up vote
2
down vote
The functionality will remain the same, as ♭II7 can be resolved to I the same way your Gm chord would be. However, you will lose the modality of the progression, because ♭II7 doesn't imply that mixolydian sound you have going when using the Gm. Also, Tim pointed out that the Gm might want to resolve to C7, then to F, but I think that that would depend on how you're using it, as it's certainly possoble to go from Gm to C without going to F.
So you say its possible to use a Db7 ( or most likely a Dbmaj75b ) instead of a Gm, but it will lack of the mixolydian sound?
– Gery
Dec 12 at 21:12
Yes, because IV-♭II7-I is not diatonic to the mixolydian mode.
– user45266
Dec 13 at 4:23
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Tritone substitution relies on the juxtaposition of the 3rd and b7 of two chords. So, in key C, the dominant G7 will have Db7 as its tts. G7 is G B D F, whereas Db7 is Db F Ab Cb. So, the F changes place (3rd>7th), and the same sounding B/Cb goes the other way.
With your suggestion, there's only one common note between Gm and Db7. That's the F. So it's not really a tts.
If anything, to me, that Gm>C sounds like it's heralding a C7 to move onto subdominant F, and the 'tts' version throws a spanner in the works, so to speak!
Whilst you're correct in saying the scale is F, the sequence is not in F, although it is using the same pool of notes. In C Mixolydian, the home or root is C, that's the point. At the end of the day, anything is possible - there are no hard and fast rues saying 'thou shalt/ shalt not...' If you think it sounds good, keep it. If not, it was worth a try, but not this time thanks.
But, bottom line is, as said earlier, tts needs those two notes common. That's what makes it tts.
"There's only one common note between Gm and Db7" What about if I dont use the Db7 instead I write Bb75b? With the 5b I lowered the Ab into G and woala I have two matching notes ^^ And the Db F G B -> C E G Bb transition seems fine to me. It sounds decent at least.
– Gery
Dec 12 at 13:42
By Bb75b, do you mean Db75b (I prefer Db7b5 myself)?
– Dekkadeci
Dec 12 at 16:22
Oh...I missed, yes! I wanted to write Db75b not Bb75b.
– Gery
Dec 12 at 16:46
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Yes, Db7 acts as a dominant of C. We call it a 'tritone substitution' partly because its root is a tritone from the 'real' dominant - G, but mostly because it shares the tritone interval - F and B (Cb) - with the G7 chord.
But you want to be Mixolidian. That's fine, but Mixolydian doesn't have a dominant 7th chord containing a tritone. It doesn't even have a leading note a semitone below the tonic. It's questionable whether the term 'dominant' is applicable to the chord built on the 5th degree of the Mixolydian scale. If you're committed to Mixolydian, you need a different set of tricks to the sort of functional harmony that is all about dominant-tonic relationships.
When discussing harmony, people sometimes get hung up on the bVII chord (that's Bb major in the key of C). We notice that it sounds just fine to get home to C by Bb, F, C or even just Bb, C but agonize because it isn't diatonic. Well, in C Mixolydian, G7 or Db7 aren't 'diatonic'. You can use them, of course. But you'll lose the Mixolydian flavour. And I think we're still in a musical world where tonal can contain Mixolydian, but Mixolydian needs to maintain its identity.
I agree with this. Composing/improvising "modally" is meant to be a contrast to composing/improvising "tonally." Once you start borrowing notes and chords, you have left the modal world and entered the tonal world.
– Peter
Dec 12 at 19:12
Thank you. See my new final paragraph above.
– Laurence Payne
Dec 12 at 20:04
Sadly I miss wrote the Db chord, I wanted to write Dbmaj7 but in meantime i found out Dbmaj75b would be the key to a smooth transition. But you say its not mixolydian anymore, right?
– Gery
Dec 12 at 21:17
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Michael Curtis astutely points out that C mixolydian doesn't have a proper V7 chord, because the fifth degree chord is Gmin7, not G7. Hence, including either G7 or D♭7 in your progression will represent a deviation from the modal sound you seek.
However, that doesn't mean the song won't still sound modal. Many jazz standards that are considered modal archetypes deviate from strict/exclusive use of the given mode(s). An example is Footprints by Wayne Shorter. The song is in C Dorian minor, but the final turnaround is back-to-back ii-V's, one of which contains a tritone substitution: | F#minb5 | F7♯11 | E7b5 | A7♯9♭5 | Cmin |
. In spite of this, the song is hailed as an iconic modal tune and often appears in lists of exemplary modal jazz songs.
So what makes a song "modal"? There isn't a single answer, but most people say that "modal" songs are built from a mode rather than a traditional chord progression and conventional harmonic resolutions. So if you're using lots of traditional harmonies (such as V7-I's or ii-V7's), then the song will sound less and less modal. Even if you are composing in a mode that contains a proper V7 chord, you still wouldn't want to use that V7 chord according to its traditional harmonic function.
So why does Footprints count as modal, despite the ii-V's in the final turnaround? There's a great answer to this question. The ii-V's break from traditional harmony in a crucial way: they end with A7♯9♭5, which then resolves to Cmin. But A7♯9♭5 to Cmin isn't really explained by traditional harmony. A much better explanation is that A7♯9♭5 is one note away from C dorian. (A7♯9♭5 contains C♯ instead of D.) So while the ii-V's appear, they are part of a resolution that is best explained through modes.
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5 Answers
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5 Answers
5
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oldest
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active
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up vote
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...I-IV-V-I chord prog, in C mixolidian: C-F-Gm-C...
You're mixing up symbols and tonalities.
If C mixolydian, then the V
- the triad on the dominant/^5 scale degree is a minor chord, so lower case v
.
C-F--Gm-C
C mixo: I-IV-v--I
If we speak properly of a dominant chord then the chord must have a leading tone the ^7 scale degree one half-step below the tonic.
Mixolydian mode doesn't have a leading tone, therefore it doesn't have a dominant. Strictly speaking then you don't have a dominant to substitute.
Side note: to me modal generally implies music without a real dominant chord. Ionian mode of course it just the major mode so that more or less excludes Ionian from the general sense of "modal" harmony. Except for the Lydian mode all the other modes do not have leading tones and so they don't have dominant chords. From that perspective tritone substitution may be foreign to modal harmony.
Back to your chords.
If you change your harmony to use a real dominant you will be in C major, you would get...
C-F--G7-C
C: I-IV-V7-I
With labels
C-F--Db7--C
C: I-IV-bII7-I
I suppose you could have that G7-C
change and still have the music sound like it was Mixolydian, but it would depend on exactly how you handled G7-C
. It would need to sound like a temporary tonal shift. It would help if the melody somehow clearly sounded Mixolydian. Perhaps by avoiding the raised ^7 degree. You would have to handle the harmony somehow to make Mixolydian the clear tonality and the bII7-I
substitution seem temporary. You would probably need the minor v
in the progression to make Mixolydian clear. You would have to play with that Mixolydian/major and B♮/Bb
relationship.
Finally, the other way to look at this is to say your progression isn't really in C Mixolydian, but rather in F major. In that case you have to re-label your chords...
C-F-Gm-C
F: V-I-ii-V
We have a proper dominant now, but it's in a different position in the order of the chords. The substitution might be like...
Gb7--F-Gm-Gb7
F: bII7-I-ii-bII7
Back to part of your question...
...In F major the dominant note is the C and its tritone is Gb. So It
would be C-F-Gb7-C. It seems wrong to me...
You were correct. The only problem is you substituted the wrong chord! You substituted the ii
instead of the V
chord.
So, make sure you identify a real dominant chord then make the tritone substitution.
add a comment |
up vote
1
down vote
accepted
...I-IV-V-I chord prog, in C mixolidian: C-F-Gm-C...
You're mixing up symbols and tonalities.
If C mixolydian, then the V
- the triad on the dominant/^5 scale degree is a minor chord, so lower case v
.
C-F--Gm-C
C mixo: I-IV-v--I
If we speak properly of a dominant chord then the chord must have a leading tone the ^7 scale degree one half-step below the tonic.
Mixolydian mode doesn't have a leading tone, therefore it doesn't have a dominant. Strictly speaking then you don't have a dominant to substitute.
Side note: to me modal generally implies music without a real dominant chord. Ionian mode of course it just the major mode so that more or less excludes Ionian from the general sense of "modal" harmony. Except for the Lydian mode all the other modes do not have leading tones and so they don't have dominant chords. From that perspective tritone substitution may be foreign to modal harmony.
Back to your chords.
If you change your harmony to use a real dominant you will be in C major, you would get...
C-F--G7-C
C: I-IV-V7-I
With labels
C-F--Db7--C
C: I-IV-bII7-I
I suppose you could have that G7-C
change and still have the music sound like it was Mixolydian, but it would depend on exactly how you handled G7-C
. It would need to sound like a temporary tonal shift. It would help if the melody somehow clearly sounded Mixolydian. Perhaps by avoiding the raised ^7 degree. You would have to handle the harmony somehow to make Mixolydian the clear tonality and the bII7-I
substitution seem temporary. You would probably need the minor v
in the progression to make Mixolydian clear. You would have to play with that Mixolydian/major and B♮/Bb
relationship.
Finally, the other way to look at this is to say your progression isn't really in C Mixolydian, but rather in F major. In that case you have to re-label your chords...
C-F-Gm-C
F: V-I-ii-V
We have a proper dominant now, but it's in a different position in the order of the chords. The substitution might be like...
Gb7--F-Gm-Gb7
F: bII7-I-ii-bII7
Back to part of your question...
...In F major the dominant note is the C and its tritone is Gb. So It
would be C-F-Gb7-C. It seems wrong to me...
You were correct. The only problem is you substituted the wrong chord! You substituted the ii
instead of the V
chord.
So, make sure you identify a real dominant chord then make the tritone substitution.
add a comment |
up vote
1
down vote
accepted
up vote
1
down vote
accepted
...I-IV-V-I chord prog, in C mixolidian: C-F-Gm-C...
You're mixing up symbols and tonalities.
If C mixolydian, then the V
- the triad on the dominant/^5 scale degree is a minor chord, so lower case v
.
C-F--Gm-C
C mixo: I-IV-v--I
If we speak properly of a dominant chord then the chord must have a leading tone the ^7 scale degree one half-step below the tonic.
Mixolydian mode doesn't have a leading tone, therefore it doesn't have a dominant. Strictly speaking then you don't have a dominant to substitute.
Side note: to me modal generally implies music without a real dominant chord. Ionian mode of course it just the major mode so that more or less excludes Ionian from the general sense of "modal" harmony. Except for the Lydian mode all the other modes do not have leading tones and so they don't have dominant chords. From that perspective tritone substitution may be foreign to modal harmony.
Back to your chords.
If you change your harmony to use a real dominant you will be in C major, you would get...
C-F--G7-C
C: I-IV-V7-I
With labels
C-F--Db7--C
C: I-IV-bII7-I
I suppose you could have that G7-C
change and still have the music sound like it was Mixolydian, but it would depend on exactly how you handled G7-C
. It would need to sound like a temporary tonal shift. It would help if the melody somehow clearly sounded Mixolydian. Perhaps by avoiding the raised ^7 degree. You would have to handle the harmony somehow to make Mixolydian the clear tonality and the bII7-I
substitution seem temporary. You would probably need the minor v
in the progression to make Mixolydian clear. You would have to play with that Mixolydian/major and B♮/Bb
relationship.
Finally, the other way to look at this is to say your progression isn't really in C Mixolydian, but rather in F major. In that case you have to re-label your chords...
C-F-Gm-C
F: V-I-ii-V
We have a proper dominant now, but it's in a different position in the order of the chords. The substitution might be like...
Gb7--F-Gm-Gb7
F: bII7-I-ii-bII7
Back to part of your question...
...In F major the dominant note is the C and its tritone is Gb. So It
would be C-F-Gb7-C. It seems wrong to me...
You were correct. The only problem is you substituted the wrong chord! You substituted the ii
instead of the V
chord.
So, make sure you identify a real dominant chord then make the tritone substitution.
...I-IV-V-I chord prog, in C mixolidian: C-F-Gm-C...
You're mixing up symbols and tonalities.
If C mixolydian, then the V
- the triad on the dominant/^5 scale degree is a minor chord, so lower case v
.
C-F--Gm-C
C mixo: I-IV-v--I
If we speak properly of a dominant chord then the chord must have a leading tone the ^7 scale degree one half-step below the tonic.
Mixolydian mode doesn't have a leading tone, therefore it doesn't have a dominant. Strictly speaking then you don't have a dominant to substitute.
Side note: to me modal generally implies music without a real dominant chord. Ionian mode of course it just the major mode so that more or less excludes Ionian from the general sense of "modal" harmony. Except for the Lydian mode all the other modes do not have leading tones and so they don't have dominant chords. From that perspective tritone substitution may be foreign to modal harmony.
Back to your chords.
If you change your harmony to use a real dominant you will be in C major, you would get...
C-F--G7-C
C: I-IV-V7-I
With labels
C-F--Db7--C
C: I-IV-bII7-I
I suppose you could have that G7-C
change and still have the music sound like it was Mixolydian, but it would depend on exactly how you handled G7-C
. It would need to sound like a temporary tonal shift. It would help if the melody somehow clearly sounded Mixolydian. Perhaps by avoiding the raised ^7 degree. You would have to handle the harmony somehow to make Mixolydian the clear tonality and the bII7-I
substitution seem temporary. You would probably need the minor v
in the progression to make Mixolydian clear. You would have to play with that Mixolydian/major and B♮/Bb
relationship.
Finally, the other way to look at this is to say your progression isn't really in C Mixolydian, but rather in F major. In that case you have to re-label your chords...
C-F-Gm-C
F: V-I-ii-V
We have a proper dominant now, but it's in a different position in the order of the chords. The substitution might be like...
Gb7--F-Gm-Gb7
F: bII7-I-ii-bII7
Back to part of your question...
...In F major the dominant note is the C and its tritone is Gb. So It
would be C-F-Gb7-C. It seems wrong to me...
You were correct. The only problem is you substituted the wrong chord! You substituted the ii
instead of the V
chord.
So, make sure you identify a real dominant chord then make the tritone substitution.
edited Dec 12 at 22:02
answered Dec 12 at 21:52
Michael Curtis
5,335325
5,335325
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up vote
2
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The functionality will remain the same, as ♭II7 can be resolved to I the same way your Gm chord would be. However, you will lose the modality of the progression, because ♭II7 doesn't imply that mixolydian sound you have going when using the Gm. Also, Tim pointed out that the Gm might want to resolve to C7, then to F, but I think that that would depend on how you're using it, as it's certainly possoble to go from Gm to C without going to F.
So you say its possible to use a Db7 ( or most likely a Dbmaj75b ) instead of a Gm, but it will lack of the mixolydian sound?
– Gery
Dec 12 at 21:12
Yes, because IV-♭II7-I is not diatonic to the mixolydian mode.
– user45266
Dec 13 at 4:23
add a comment |
up vote
2
down vote
The functionality will remain the same, as ♭II7 can be resolved to I the same way your Gm chord would be. However, you will lose the modality of the progression, because ♭II7 doesn't imply that mixolydian sound you have going when using the Gm. Also, Tim pointed out that the Gm might want to resolve to C7, then to F, but I think that that would depend on how you're using it, as it's certainly possoble to go from Gm to C without going to F.
So you say its possible to use a Db7 ( or most likely a Dbmaj75b ) instead of a Gm, but it will lack of the mixolydian sound?
– Gery
Dec 12 at 21:12
Yes, because IV-♭II7-I is not diatonic to the mixolydian mode.
– user45266
Dec 13 at 4:23
add a comment |
up vote
2
down vote
up vote
2
down vote
The functionality will remain the same, as ♭II7 can be resolved to I the same way your Gm chord would be. However, you will lose the modality of the progression, because ♭II7 doesn't imply that mixolydian sound you have going when using the Gm. Also, Tim pointed out that the Gm might want to resolve to C7, then to F, but I think that that would depend on how you're using it, as it's certainly possoble to go from Gm to C without going to F.
The functionality will remain the same, as ♭II7 can be resolved to I the same way your Gm chord would be. However, you will lose the modality of the progression, because ♭II7 doesn't imply that mixolydian sound you have going when using the Gm. Also, Tim pointed out that the Gm might want to resolve to C7, then to F, but I think that that would depend on how you're using it, as it's certainly possoble to go from Gm to C without going to F.
answered Dec 12 at 17:39
user45266
1,901325
1,901325
So you say its possible to use a Db7 ( or most likely a Dbmaj75b ) instead of a Gm, but it will lack of the mixolydian sound?
– Gery
Dec 12 at 21:12
Yes, because IV-♭II7-I is not diatonic to the mixolydian mode.
– user45266
Dec 13 at 4:23
add a comment |
So you say its possible to use a Db7 ( or most likely a Dbmaj75b ) instead of a Gm, but it will lack of the mixolydian sound?
– Gery
Dec 12 at 21:12
Yes, because IV-♭II7-I is not diatonic to the mixolydian mode.
– user45266
Dec 13 at 4:23
So you say its possible to use a Db7 ( or most likely a Dbmaj75b ) instead of a Gm, but it will lack of the mixolydian sound?
– Gery
Dec 12 at 21:12
So you say its possible to use a Db7 ( or most likely a Dbmaj75b ) instead of a Gm, but it will lack of the mixolydian sound?
– Gery
Dec 12 at 21:12
Yes, because IV-♭II7-I is not diatonic to the mixolydian mode.
– user45266
Dec 13 at 4:23
Yes, because IV-♭II7-I is not diatonic to the mixolydian mode.
– user45266
Dec 13 at 4:23
add a comment |
up vote
1
down vote
Tritone substitution relies on the juxtaposition of the 3rd and b7 of two chords. So, in key C, the dominant G7 will have Db7 as its tts. G7 is G B D F, whereas Db7 is Db F Ab Cb. So, the F changes place (3rd>7th), and the same sounding B/Cb goes the other way.
With your suggestion, there's only one common note between Gm and Db7. That's the F. So it's not really a tts.
If anything, to me, that Gm>C sounds like it's heralding a C7 to move onto subdominant F, and the 'tts' version throws a spanner in the works, so to speak!
Whilst you're correct in saying the scale is F, the sequence is not in F, although it is using the same pool of notes. In C Mixolydian, the home or root is C, that's the point. At the end of the day, anything is possible - there are no hard and fast rues saying 'thou shalt/ shalt not...' If you think it sounds good, keep it. If not, it was worth a try, but not this time thanks.
But, bottom line is, as said earlier, tts needs those two notes common. That's what makes it tts.
"There's only one common note between Gm and Db7" What about if I dont use the Db7 instead I write Bb75b? With the 5b I lowered the Ab into G and woala I have two matching notes ^^ And the Db F G B -> C E G Bb transition seems fine to me. It sounds decent at least.
– Gery
Dec 12 at 13:42
By Bb75b, do you mean Db75b (I prefer Db7b5 myself)?
– Dekkadeci
Dec 12 at 16:22
Oh...I missed, yes! I wanted to write Db75b not Bb75b.
– Gery
Dec 12 at 16:46
add a comment |
up vote
1
down vote
Tritone substitution relies on the juxtaposition of the 3rd and b7 of two chords. So, in key C, the dominant G7 will have Db7 as its tts. G7 is G B D F, whereas Db7 is Db F Ab Cb. So, the F changes place (3rd>7th), and the same sounding B/Cb goes the other way.
With your suggestion, there's only one common note between Gm and Db7. That's the F. So it's not really a tts.
If anything, to me, that Gm>C sounds like it's heralding a C7 to move onto subdominant F, and the 'tts' version throws a spanner in the works, so to speak!
Whilst you're correct in saying the scale is F, the sequence is not in F, although it is using the same pool of notes. In C Mixolydian, the home or root is C, that's the point. At the end of the day, anything is possible - there are no hard and fast rues saying 'thou shalt/ shalt not...' If you think it sounds good, keep it. If not, it was worth a try, but not this time thanks.
But, bottom line is, as said earlier, tts needs those two notes common. That's what makes it tts.
"There's only one common note between Gm and Db7" What about if I dont use the Db7 instead I write Bb75b? With the 5b I lowered the Ab into G and woala I have two matching notes ^^ And the Db F G B -> C E G Bb transition seems fine to me. It sounds decent at least.
– Gery
Dec 12 at 13:42
By Bb75b, do you mean Db75b (I prefer Db7b5 myself)?
– Dekkadeci
Dec 12 at 16:22
Oh...I missed, yes! I wanted to write Db75b not Bb75b.
– Gery
Dec 12 at 16:46
add a comment |
up vote
1
down vote
up vote
1
down vote
Tritone substitution relies on the juxtaposition of the 3rd and b7 of two chords. So, in key C, the dominant G7 will have Db7 as its tts. G7 is G B D F, whereas Db7 is Db F Ab Cb. So, the F changes place (3rd>7th), and the same sounding B/Cb goes the other way.
With your suggestion, there's only one common note between Gm and Db7. That's the F. So it's not really a tts.
If anything, to me, that Gm>C sounds like it's heralding a C7 to move onto subdominant F, and the 'tts' version throws a spanner in the works, so to speak!
Whilst you're correct in saying the scale is F, the sequence is not in F, although it is using the same pool of notes. In C Mixolydian, the home or root is C, that's the point. At the end of the day, anything is possible - there are no hard and fast rues saying 'thou shalt/ shalt not...' If you think it sounds good, keep it. If not, it was worth a try, but not this time thanks.
But, bottom line is, as said earlier, tts needs those two notes common. That's what makes it tts.
Tritone substitution relies on the juxtaposition of the 3rd and b7 of two chords. So, in key C, the dominant G7 will have Db7 as its tts. G7 is G B D F, whereas Db7 is Db F Ab Cb. So, the F changes place (3rd>7th), and the same sounding B/Cb goes the other way.
With your suggestion, there's only one common note between Gm and Db7. That's the F. So it's not really a tts.
If anything, to me, that Gm>C sounds like it's heralding a C7 to move onto subdominant F, and the 'tts' version throws a spanner in the works, so to speak!
Whilst you're correct in saying the scale is F, the sequence is not in F, although it is using the same pool of notes. In C Mixolydian, the home or root is C, that's the point. At the end of the day, anything is possible - there are no hard and fast rues saying 'thou shalt/ shalt not...' If you think it sounds good, keep it. If not, it was worth a try, but not this time thanks.
But, bottom line is, as said earlier, tts needs those two notes common. That's what makes it tts.
answered Dec 12 at 12:46
Tim
95.2k1098240
95.2k1098240
"There's only one common note between Gm and Db7" What about if I dont use the Db7 instead I write Bb75b? With the 5b I lowered the Ab into G and woala I have two matching notes ^^ And the Db F G B -> C E G Bb transition seems fine to me. It sounds decent at least.
– Gery
Dec 12 at 13:42
By Bb75b, do you mean Db75b (I prefer Db7b5 myself)?
– Dekkadeci
Dec 12 at 16:22
Oh...I missed, yes! I wanted to write Db75b not Bb75b.
– Gery
Dec 12 at 16:46
add a comment |
"There's only one common note between Gm and Db7" What about if I dont use the Db7 instead I write Bb75b? With the 5b I lowered the Ab into G and woala I have two matching notes ^^ And the Db F G B -> C E G Bb transition seems fine to me. It sounds decent at least.
– Gery
Dec 12 at 13:42
By Bb75b, do you mean Db75b (I prefer Db7b5 myself)?
– Dekkadeci
Dec 12 at 16:22
Oh...I missed, yes! I wanted to write Db75b not Bb75b.
– Gery
Dec 12 at 16:46
"There's only one common note between Gm and Db7" What about if I dont use the Db7 instead I write Bb75b? With the 5b I lowered the Ab into G and woala I have two matching notes ^^ And the Db F G B -> C E G Bb transition seems fine to me. It sounds decent at least.
– Gery
Dec 12 at 13:42
"There's only one common note between Gm and Db7" What about if I dont use the Db7 instead I write Bb75b? With the 5b I lowered the Ab into G and woala I have two matching notes ^^ And the Db F G B -> C E G Bb transition seems fine to me. It sounds decent at least.
– Gery
Dec 12 at 13:42
By Bb75b, do you mean Db75b (I prefer Db7b5 myself)?
– Dekkadeci
Dec 12 at 16:22
By Bb75b, do you mean Db75b (I prefer Db7b5 myself)?
– Dekkadeci
Dec 12 at 16:22
Oh...I missed, yes! I wanted to write Db75b not Bb75b.
– Gery
Dec 12 at 16:46
Oh...I missed, yes! I wanted to write Db75b not Bb75b.
– Gery
Dec 12 at 16:46
add a comment |
up vote
1
down vote
Yes, Db7 acts as a dominant of C. We call it a 'tritone substitution' partly because its root is a tritone from the 'real' dominant - G, but mostly because it shares the tritone interval - F and B (Cb) - with the G7 chord.
But you want to be Mixolidian. That's fine, but Mixolydian doesn't have a dominant 7th chord containing a tritone. It doesn't even have a leading note a semitone below the tonic. It's questionable whether the term 'dominant' is applicable to the chord built on the 5th degree of the Mixolydian scale. If you're committed to Mixolydian, you need a different set of tricks to the sort of functional harmony that is all about dominant-tonic relationships.
When discussing harmony, people sometimes get hung up on the bVII chord (that's Bb major in the key of C). We notice that it sounds just fine to get home to C by Bb, F, C or even just Bb, C but agonize because it isn't diatonic. Well, in C Mixolydian, G7 or Db7 aren't 'diatonic'. You can use them, of course. But you'll lose the Mixolydian flavour. And I think we're still in a musical world where tonal can contain Mixolydian, but Mixolydian needs to maintain its identity.
I agree with this. Composing/improvising "modally" is meant to be a contrast to composing/improvising "tonally." Once you start borrowing notes and chords, you have left the modal world and entered the tonal world.
– Peter
Dec 12 at 19:12
Thank you. See my new final paragraph above.
– Laurence Payne
Dec 12 at 20:04
Sadly I miss wrote the Db chord, I wanted to write Dbmaj7 but in meantime i found out Dbmaj75b would be the key to a smooth transition. But you say its not mixolydian anymore, right?
– Gery
Dec 12 at 21:17
add a comment |
up vote
1
down vote
Yes, Db7 acts as a dominant of C. We call it a 'tritone substitution' partly because its root is a tritone from the 'real' dominant - G, but mostly because it shares the tritone interval - F and B (Cb) - with the G7 chord.
But you want to be Mixolidian. That's fine, but Mixolydian doesn't have a dominant 7th chord containing a tritone. It doesn't even have a leading note a semitone below the tonic. It's questionable whether the term 'dominant' is applicable to the chord built on the 5th degree of the Mixolydian scale. If you're committed to Mixolydian, you need a different set of tricks to the sort of functional harmony that is all about dominant-tonic relationships.
When discussing harmony, people sometimes get hung up on the bVII chord (that's Bb major in the key of C). We notice that it sounds just fine to get home to C by Bb, F, C or even just Bb, C but agonize because it isn't diatonic. Well, in C Mixolydian, G7 or Db7 aren't 'diatonic'. You can use them, of course. But you'll lose the Mixolydian flavour. And I think we're still in a musical world where tonal can contain Mixolydian, but Mixolydian needs to maintain its identity.
I agree with this. Composing/improvising "modally" is meant to be a contrast to composing/improvising "tonally." Once you start borrowing notes and chords, you have left the modal world and entered the tonal world.
– Peter
Dec 12 at 19:12
Thank you. See my new final paragraph above.
– Laurence Payne
Dec 12 at 20:04
Sadly I miss wrote the Db chord, I wanted to write Dbmaj7 but in meantime i found out Dbmaj75b would be the key to a smooth transition. But you say its not mixolydian anymore, right?
– Gery
Dec 12 at 21:17
add a comment |
up vote
1
down vote
up vote
1
down vote
Yes, Db7 acts as a dominant of C. We call it a 'tritone substitution' partly because its root is a tritone from the 'real' dominant - G, but mostly because it shares the tritone interval - F and B (Cb) - with the G7 chord.
But you want to be Mixolidian. That's fine, but Mixolydian doesn't have a dominant 7th chord containing a tritone. It doesn't even have a leading note a semitone below the tonic. It's questionable whether the term 'dominant' is applicable to the chord built on the 5th degree of the Mixolydian scale. If you're committed to Mixolydian, you need a different set of tricks to the sort of functional harmony that is all about dominant-tonic relationships.
When discussing harmony, people sometimes get hung up on the bVII chord (that's Bb major in the key of C). We notice that it sounds just fine to get home to C by Bb, F, C or even just Bb, C but agonize because it isn't diatonic. Well, in C Mixolydian, G7 or Db7 aren't 'diatonic'. You can use them, of course. But you'll lose the Mixolydian flavour. And I think we're still in a musical world where tonal can contain Mixolydian, but Mixolydian needs to maintain its identity.
Yes, Db7 acts as a dominant of C. We call it a 'tritone substitution' partly because its root is a tritone from the 'real' dominant - G, but mostly because it shares the tritone interval - F and B (Cb) - with the G7 chord.
But you want to be Mixolidian. That's fine, but Mixolydian doesn't have a dominant 7th chord containing a tritone. It doesn't even have a leading note a semitone below the tonic. It's questionable whether the term 'dominant' is applicable to the chord built on the 5th degree of the Mixolydian scale. If you're committed to Mixolydian, you need a different set of tricks to the sort of functional harmony that is all about dominant-tonic relationships.
When discussing harmony, people sometimes get hung up on the bVII chord (that's Bb major in the key of C). We notice that it sounds just fine to get home to C by Bb, F, C or even just Bb, C but agonize because it isn't diatonic. Well, in C Mixolydian, G7 or Db7 aren't 'diatonic'. You can use them, of course. But you'll lose the Mixolydian flavour. And I think we're still in a musical world where tonal can contain Mixolydian, but Mixolydian needs to maintain its identity.
edited Dec 12 at 20:00
answered Dec 12 at 18:35
Laurence Payne
31k1455
31k1455
I agree with this. Composing/improvising "modally" is meant to be a contrast to composing/improvising "tonally." Once you start borrowing notes and chords, you have left the modal world and entered the tonal world.
– Peter
Dec 12 at 19:12
Thank you. See my new final paragraph above.
– Laurence Payne
Dec 12 at 20:04
Sadly I miss wrote the Db chord, I wanted to write Dbmaj7 but in meantime i found out Dbmaj75b would be the key to a smooth transition. But you say its not mixolydian anymore, right?
– Gery
Dec 12 at 21:17
add a comment |
I agree with this. Composing/improvising "modally" is meant to be a contrast to composing/improvising "tonally." Once you start borrowing notes and chords, you have left the modal world and entered the tonal world.
– Peter
Dec 12 at 19:12
Thank you. See my new final paragraph above.
– Laurence Payne
Dec 12 at 20:04
Sadly I miss wrote the Db chord, I wanted to write Dbmaj7 but in meantime i found out Dbmaj75b would be the key to a smooth transition. But you say its not mixolydian anymore, right?
– Gery
Dec 12 at 21:17
I agree with this. Composing/improvising "modally" is meant to be a contrast to composing/improvising "tonally." Once you start borrowing notes and chords, you have left the modal world and entered the tonal world.
– Peter
Dec 12 at 19:12
I agree with this. Composing/improvising "modally" is meant to be a contrast to composing/improvising "tonally." Once you start borrowing notes and chords, you have left the modal world and entered the tonal world.
– Peter
Dec 12 at 19:12
Thank you. See my new final paragraph above.
– Laurence Payne
Dec 12 at 20:04
Thank you. See my new final paragraph above.
– Laurence Payne
Dec 12 at 20:04
Sadly I miss wrote the Db chord, I wanted to write Dbmaj7 but in meantime i found out Dbmaj75b would be the key to a smooth transition. But you say its not mixolydian anymore, right?
– Gery
Dec 12 at 21:17
Sadly I miss wrote the Db chord, I wanted to write Dbmaj7 but in meantime i found out Dbmaj75b would be the key to a smooth transition. But you say its not mixolydian anymore, right?
– Gery
Dec 12 at 21:17
add a comment |
up vote
1
down vote
Michael Curtis astutely points out that C mixolydian doesn't have a proper V7 chord, because the fifth degree chord is Gmin7, not G7. Hence, including either G7 or D♭7 in your progression will represent a deviation from the modal sound you seek.
However, that doesn't mean the song won't still sound modal. Many jazz standards that are considered modal archetypes deviate from strict/exclusive use of the given mode(s). An example is Footprints by Wayne Shorter. The song is in C Dorian minor, but the final turnaround is back-to-back ii-V's, one of which contains a tritone substitution: | F#minb5 | F7♯11 | E7b5 | A7♯9♭5 | Cmin |
. In spite of this, the song is hailed as an iconic modal tune and often appears in lists of exemplary modal jazz songs.
So what makes a song "modal"? There isn't a single answer, but most people say that "modal" songs are built from a mode rather than a traditional chord progression and conventional harmonic resolutions. So if you're using lots of traditional harmonies (such as V7-I's or ii-V7's), then the song will sound less and less modal. Even if you are composing in a mode that contains a proper V7 chord, you still wouldn't want to use that V7 chord according to its traditional harmonic function.
So why does Footprints count as modal, despite the ii-V's in the final turnaround? There's a great answer to this question. The ii-V's break from traditional harmony in a crucial way: they end with A7♯9♭5, which then resolves to Cmin. But A7♯9♭5 to Cmin isn't really explained by traditional harmony. A much better explanation is that A7♯9♭5 is one note away from C dorian. (A7♯9♭5 contains C♯ instead of D.) So while the ii-V's appear, they are part of a resolution that is best explained through modes.
add a comment |
up vote
1
down vote
Michael Curtis astutely points out that C mixolydian doesn't have a proper V7 chord, because the fifth degree chord is Gmin7, not G7. Hence, including either G7 or D♭7 in your progression will represent a deviation from the modal sound you seek.
However, that doesn't mean the song won't still sound modal. Many jazz standards that are considered modal archetypes deviate from strict/exclusive use of the given mode(s). An example is Footprints by Wayne Shorter. The song is in C Dorian minor, but the final turnaround is back-to-back ii-V's, one of which contains a tritone substitution: | F#minb5 | F7♯11 | E7b5 | A7♯9♭5 | Cmin |
. In spite of this, the song is hailed as an iconic modal tune and often appears in lists of exemplary modal jazz songs.
So what makes a song "modal"? There isn't a single answer, but most people say that "modal" songs are built from a mode rather than a traditional chord progression and conventional harmonic resolutions. So if you're using lots of traditional harmonies (such as V7-I's or ii-V7's), then the song will sound less and less modal. Even if you are composing in a mode that contains a proper V7 chord, you still wouldn't want to use that V7 chord according to its traditional harmonic function.
So why does Footprints count as modal, despite the ii-V's in the final turnaround? There's a great answer to this question. The ii-V's break from traditional harmony in a crucial way: they end with A7♯9♭5, which then resolves to Cmin. But A7♯9♭5 to Cmin isn't really explained by traditional harmony. A much better explanation is that A7♯9♭5 is one note away from C dorian. (A7♯9♭5 contains C♯ instead of D.) So while the ii-V's appear, they are part of a resolution that is best explained through modes.
add a comment |
up vote
1
down vote
up vote
1
down vote
Michael Curtis astutely points out that C mixolydian doesn't have a proper V7 chord, because the fifth degree chord is Gmin7, not G7. Hence, including either G7 or D♭7 in your progression will represent a deviation from the modal sound you seek.
However, that doesn't mean the song won't still sound modal. Many jazz standards that are considered modal archetypes deviate from strict/exclusive use of the given mode(s). An example is Footprints by Wayne Shorter. The song is in C Dorian minor, but the final turnaround is back-to-back ii-V's, one of which contains a tritone substitution: | F#minb5 | F7♯11 | E7b5 | A7♯9♭5 | Cmin |
. In spite of this, the song is hailed as an iconic modal tune and often appears in lists of exemplary modal jazz songs.
So what makes a song "modal"? There isn't a single answer, but most people say that "modal" songs are built from a mode rather than a traditional chord progression and conventional harmonic resolutions. So if you're using lots of traditional harmonies (such as V7-I's or ii-V7's), then the song will sound less and less modal. Even if you are composing in a mode that contains a proper V7 chord, you still wouldn't want to use that V7 chord according to its traditional harmonic function.
So why does Footprints count as modal, despite the ii-V's in the final turnaround? There's a great answer to this question. The ii-V's break from traditional harmony in a crucial way: they end with A7♯9♭5, which then resolves to Cmin. But A7♯9♭5 to Cmin isn't really explained by traditional harmony. A much better explanation is that A7♯9♭5 is one note away from C dorian. (A7♯9♭5 contains C♯ instead of D.) So while the ii-V's appear, they are part of a resolution that is best explained through modes.
Michael Curtis astutely points out that C mixolydian doesn't have a proper V7 chord, because the fifth degree chord is Gmin7, not G7. Hence, including either G7 or D♭7 in your progression will represent a deviation from the modal sound you seek.
However, that doesn't mean the song won't still sound modal. Many jazz standards that are considered modal archetypes deviate from strict/exclusive use of the given mode(s). An example is Footprints by Wayne Shorter. The song is in C Dorian minor, but the final turnaround is back-to-back ii-V's, one of which contains a tritone substitution: | F#minb5 | F7♯11 | E7b5 | A7♯9♭5 | Cmin |
. In spite of this, the song is hailed as an iconic modal tune and often appears in lists of exemplary modal jazz songs.
So what makes a song "modal"? There isn't a single answer, but most people say that "modal" songs are built from a mode rather than a traditional chord progression and conventional harmonic resolutions. So if you're using lots of traditional harmonies (such as V7-I's or ii-V7's), then the song will sound less and less modal. Even if you are composing in a mode that contains a proper V7 chord, you still wouldn't want to use that V7 chord according to its traditional harmonic function.
So why does Footprints count as modal, despite the ii-V's in the final turnaround? There's a great answer to this question. The ii-V's break from traditional harmony in a crucial way: they end with A7♯9♭5, which then resolves to Cmin. But A7♯9♭5 to Cmin isn't really explained by traditional harmony. A much better explanation is that A7♯9♭5 is one note away from C dorian. (A7♯9♭5 contains C♯ instead of D.) So while the ii-V's appear, they are part of a resolution that is best explained through modes.
answered Dec 13 at 0:11
jdjazz
6,79921850
6,79921850
add a comment |
add a comment |
Gery is a new contributor. Be nice, and check out our Code of Conduct.
Gery is a new contributor. Be nice, and check out our Code of Conduct.
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