Chord Distribution Analysis

Chord SymbolCountFrequency
Gm749.3%
Cm737.0%
Cm24.7%
Cmb624.7%
Cm624.7%
Fmaj724.7%
Bbmaj724.7%
Am7b524.7%

Key Patterns Detected

PatternFunctionFrequency
Am7b5 -> D7b9Setup (Minor Key)2
D7b9 -> Gm7Resolution (Minor)2
Gm7 -> C7#9Setup (Major Key)2
Em7b5 -> A7#9Setup (Minor Key)1
A7#9 -> Dm6Resolution (Minor)1
Em7 -> A7Setup (Major Key)1
A7 -> Dmaj7Resolution (Major)1
Dm7 -> G7#9Setup (Major Key)1
G7#9 -> Cmaj7Resolution (Major)1
Dbm7 -> Gb7Setup (Major Key)1
Cm7 -> F7Setup (Major Key)1
F7 -> CmResolution (Minor)1

Harmonic Highlights

  • Tonic Line ClichĂ©: The opening Cm - Cmb6 - Cm6 - Cm7 utilizes a descending chromatic inner voice (1-b6-6-b7) within a tonic minor framework, establishing a somber mood through modal mixture against the C major key center.
  • Secondary ii-V-I Progressions: The progression employs Am7b5 - D7b9 to target Gm and Em7b5 - A7#9 to target Dm, showcasing sophisticated movement toward closely related minor-key centers.
  • Parallel Chromaticism: The Am7 - Abm7 - Gm7 sequence demonstrates parallel harmonic motion, using Abm7 as a non-functional passing chord to bridge diatonic anchors.
  • Subdominant Minor Variation: The inclusion of Bbm/maj7 introduces a high-tension “minor IV” color, typical of the jazz ballad idiom’s use of melodic minor harmony.

Improvisation Focus The Melodic Minor scale (specifically for navigating m6 and m/maj7 extensions) is the most critical concept for capturing the tune’s specific harmonic gravity.

Difficulty Rating 4/5; the frequent modal interchange and rapid minor-key secondary dominants require advanced harmonic awareness and precise voice-leading skills.


📚 Standard Available in:

The Real Book - Volume III
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