Chord Distribution Analysis

Chord SymbolCountFrequency
Bb7817.4%
Fm7613.0%
Cm7510.9%
Ebmaj748.7%
C736.5%
Gm736.5%
F736.5%
Bbm724.3%

Key Patterns Detected

PatternFunctionFrequency
Fm7 -> Bb7Setup (Major Key)6
Bb7 -> Ebmaj7Resolution (Major)3
Bbm7 -> Eb7Setup (Major Key)2
Eb7 -> Abmaj7Resolution (Major)2
C7 -> Gm7Resolution (Minor)1
Am7b5 -> D7b9Setup (Minor Key)1
D7b9 -> Gm7Resolution (Minor)1
Gm7 -> C7Setup (Major Key)1
F7 -> Bbmaj7Resolution (Major)1
Cm7 -> F7Setup (Major Key)1

Harmonic Highlights

  • The A sections utilize a classic I-vi-ii-V turnaround (Ebmaj7-Cm7-Fm7-Bb7) which establishes a stable diatonic foundation common in American Songbook ballads.
  • A secondary ii-V (Bbm7-Eb7) provides a smooth chromatic transition to the IV chord (Abmaj7), adding harmonic depth to the first half of the form.
  • The bridge shifts to the mediant via a minor ii-V (Am7b5-D7b9) resolving to G minor, creating a temporary dark contrast to the major tonic.
  • Dominant motion via the circle of fifths (C7-F7-Bb7) creates strong rhythmic momentum and clear voice-leading opportunities back to the tonic.

Improvisation Focus Guide tone targeting (3rds and 7ths) to highlight the frequent ii-V-I transitions and secondary dominant resolutions.

Difficulty Rating 2/5: The progression follows very predictable jazz cycles and standard voice-leading patterns, making it accessible for most intermediate players.


๐Ÿ“š Standard Available in:

The Real Book - Volume II
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