Chord Distribution Analysis

Chord SymbolCountFrequency
E410.5%
Fmaj737.9%
G737.9%
Bb7#1125.3%
Cmaj725.3%
Am725.3%
D725.3%
G7/F25.3%

Key Patterns Detected

PatternFunctionFrequency
Fmaj7 -> Bb7#11Setup (Major Key)2
Am7 -> D7Setup (Major Key)2
F#m7 -> B7Setup (Major Key)2
Fmaj7 -> Bb7Setup (Major Key)1

Harmonic Highlights

  • Employs a prominent backdoor dominant resolution (Bb7#11 to Cmaj7), substituting the standard G7 to provide a Lydian b7 color.
  • Features a secondary dominant cycle (D7 to G7) that functions as a V/V to V progression, typical of early jazz and swing structures.
  • Utilizes a significant modulation to E Major in the bridge, requiring a shift from the A minor/C Major landscape to a sharp-side tonal center via F#m7-B7-Emaj7.
  • Incorporates chromatic passing diminished chords and dominant inversions (G7/F) to create smooth voice leading toward the E7 turnaround.

Improvisation Focus Chord tone targeting through the modulation to E Major, contrasting with the C Major/A Minor blues scale in the primary sections.

Difficulty Rating 3/5. The A sections are accessible, but the bridge’s modulation to E Major requires precise modal shifting and navigation of secondary dominants.


πŸ“š Standard Available in:

The Real Book - Volume VI
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