Chord Distribution Analysis

Chord SymbolCountFrequency
Am7422.2%
E7b9422.2%
C7316.7%
Fmaj7316.7%
Bm7b5316.7%
Bb715.6%

Key Patterns Detected

PatternFunctionFrequency
C7 -> Fmaj7Resolution (Major)3
Bm7b5 -> E7b9Setup (Minor Key)3
E7b9 -> Am7Resolution (Minor)3
Fmaj7 -> Bb7Setup (Major Key)1
Am7 -> E7b9Setup (Major Key)1

Harmonic Highlights

  • Uses a I-V/IV-IV progression (Am7-C7-Fmaj7), where C7 functions as a secondary dominant targeting the IV chord.
  • Employs a standard minor ii-V-i cadence (Bm7b5 - E7b9 - Am7) to reinforce the A minor key center.
  • Includes a chromatic Bb7 (bII7), acting as a subV/ii to create a descending chromatic bass line toward the Bm7b5.

Improvisation Focus A Minor Blues scale for soulful phrasing, switching to A Harmonic Minor over the E7b9.

Difficulty Rating 2/5: The repetitive form and clear functional relationships make it highly accessible for developing improvisers.


๐Ÿ“š Standard Available in:

The Real Book - Volume IV
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