Chord Distribution Analysis

Chord SymbolCountFrequency
Fmaj7410.3%
Bbmaj737.7%
Gm737.7%
C737.7%
Bm725.1%
E725.1%
Cm725.1%
F725.1%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7Setup (Major Key)3
Bm7 -> E7Setup (Major Key)2
Cm7 -> F7Setup (Major Key)2
F7 -> Bbmaj7Resolution (Major)2
Em7 -> A7Setup (Major Key)2
A7 -> Dmaj7Resolution (Major)2
Am7 -> D7Setup (Major Key)2
Dm7 -> G7Setup (Major Key)1
G7 -> Cmaj7Resolution (Major)1
C7 -> Fmaj7Resolution (Major)1
Bbm7 -> Eb7Setup (Major Key)1
D7 -> Gm7Resolution (Minor)1

Harmonic Highlights

  • Tonicization of the IV chord (Bbmaj7) through a secondary ii-V (Cm7-F7), a structural staple of the composition’s A section.
  • The Bm7-E7 sequence functions as a chromatic ii-V detour, creating a brief “side-slipping” tension before resolving back to the Fmaj7 tonic.
  • Bright modulation to Dmaj7 via an Em7-A7 progression, which introduces a major/minor mode mixture against the relative F major/D minor axis.
  • Systematic use of the cycle of fifths (Dm7-G7-Cmaj7 into Gm7-C7-Fmaj7) to navigate between temporary tonal centers and the home key.

Improvisation Focus Voice leading through Major ii-V-I sequences in multiple keys (F, Bb, and D), focusing on the resolution of 7ths to 3rds.

Difficulty Rating 3 (Intermediate); the performer must fluidly navigate rapid modulations and distinct tonal shifts while maintaining a melodic connection across several key centers.


📚 Standard Available in:

The Real Book - Volume II
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