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by Tadd Dameron
Common Keys: C
First Melodic Interval: P5 ↑ m3
Form:
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I Backdoor kc I
↓M2 II V I
↑m2 ur(II V)
kc II V I TB
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Real Book has turnback as I bIII bVI bII all maj7 chords
I ↑P4 ur(II V) kc I
Based on the minor third substitution principle, bVII7 is a substitute
for a V chord. The II (IVm7 or IVm6) of the bVII is typical. A quasi II V
Another way to look at this move is as an Unresolved II V
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Songs that use the same sequence:
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Triggers Notation Key
Roman Numerals
Uppercase Roman Numerals indicate a chord function with in its
harmonized scale.
Intervalic Distances
Symbol = Interval Type
prime or ' = Prime (same root) chord species changes
M or Δ = Major
m or - = Minor
P = Perfect, used for perfect fourths or fifths
dim or º = Diminished
aug or + = Augmented
tri = Tritone (+4 or b5)
Harmonic Direction
↑ or > = UP (↑) by interval indicated. ie ↑m2, ↑P4
↓ or < = DOWN (↓) by interval indicated. ie ↓m2, ↓P4
kc = Back to the main key center or tonality of song.
kc() = Modulation to new key center relative to main key center.
ie kc(↑ P4) would be a modulation
up a perfect fourth from the song's main key center.
prime ´ = Prime Modulation, root same chord type changes
rmi = Relative Minor Modulation relative to main key center
pmi = Parallel Minor Modulation relative to main key center
rma = Relative Major Modulation relative to main key center
pma = Parallel Major Modulation relative to main key center
TB = Turnback - This is typically one or two bars in
duration and leads back to an A section or to a new section.
Common Harmonic Principles
cyl()
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Cycle - 3 or more chords the same intervalic distance apart and
the same chord species. cyl(x, y, z) x = number of chords in cycle,
x = interval and ↑ or ↓ direction, y = chord type.
ie cyl(4, P4 ↓, 7th)
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FD cyl()
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FD cyl - Full Diatonic cycle starting on chord Y. Default is major.
if not major indicate scale or mode
ie cyl(Δ, VI ↓ IV)
ie cyl(-, VI ↓ IV)
ie cyl(DOR, VI ↓ IV)
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RC cyl()
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RC cyl - Rhythm Changes Cycle. Default starts on III7 of key center and
cycles thru 4 dominant 7th chords shortcut for cyl(4, P4 ↓, 7th).
see Stompin' at the Savoy for ↑P4 RC cyl().
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pi3
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Picardy Third - Minor II V resolving to a major I. ie Am7b5 D7 Gmaj7
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ur()
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Unresolved - Typically a II V that does not resolve to
its I chord. Δ for major (eg Dm7 G7)
- or mi for minor (Dm7b5 G7)
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/
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Double Functions Chords - Setting up a modulation to
new key center.
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The following symbols are used to indicate form.
:] = Repeat(s) :] or [: :] followed by
x and a number if more that the standard repeat
a) = Rehearsal Letters. A, B, C, D, etc...
coda =
Standard coda used in music
D.S. =
Standard D.S. used in music
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