Chord Distribution Analysis

Chord SymbolCountFrequency
Fmaj7719.4%
Bb7616.7%
Dm7513.9%
Gm7411.1%
C7411.1%
F6411.1%
Am725.6%
Em712.8%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7Setup (Major Key)4
Fmaj7 -> Bb7Setup (Major Key)3
C7 -> Fmaj7Resolution (Major)2
Bb7 -> Fmaj7Resolution (Major)1
Em7 -> A7Setup (Major Key)1
A7 -> Dm7Resolution (Minor)1
Am7b5 -> D7b9Setup (Minor Key)1
D7b9 -> Gm7Resolution (Minor)1

Harmonic Highlights

  • The progression features a prominent IV7 (Bb7) chord in the first four bars, creating a bluesy, subdominant “backdoor” color rather than a standard diatonic IVmaj7.
  • The turnaround utilizes a functional III-VI-II-V (Am7-Dm7-Gm7-C7) sequence, creating a strong circle-of-fifths pull back to the Fmaj7 tonic.
  • The bridge shifts the tonal center toward the relative minor (Dm) via a secondary ii-V (Em7-A7), providing a temporary departure from the bright F major tonality.

Improvisation Focus F Major Bebop Scale (integrating the chromatic passing tone between C and D to maintain chordal alignment on downbeats).

Difficulty Rating 2/5 β€” The predictable AABA form and reliance on standard functional ii-V-I progressions make it an ideal vehicle for practicing basic diatonic navigation.


πŸ“š Standard Available in:

The Real Book - Volume III
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