Chord Distribution Analysis

Chord SymbolCountFrequency
Gm7821.1%
C7821.1%
D7410.5%
F637.9%
Eb725.3%
Fmaj725.3%
Bb725.3%
Am725.3%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7Setup (Major Key)8
D7 -> Gm7Resolution (Minor)2
C7 -> Fmaj7Resolution (Major)2
Fmaj7 -> Bb7Setup (Major Key)2
C7 -> Gm7Resolution (Minor)2

Harmonic Highlights

  • The progression features a sophisticated turnaround (F6 - Eb7 - D7), using the Eb7 as a “backdoor” dominant or tritone substitute to approach the D7 (V of ii).
  • Arlen employs extended secondary dominant chains (A7 - D7 - G7), creating a cycle of fifths that builds harmonic tension before resolving to the Gm7 - C7 cadence.
  • The bridge utilizes parallel chromaticism (Am7 - Abm7 - Gm7), a classic jazz device requiring smooth voice leading across descending minor seventh structures.

Improvisation Focus Functional navigation of ii-V-I cells and the F Major Bebop scale.

Difficulty Rating 3/5; the tune follows standard song form but moves quickly through non-diatonic dominant chords that demand accurate guide-tone targeting.


πŸ“š Standard Available in:

The Real Book - Volume III
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