Chord Distribution Analysis

Chord SymbolCountFrequency
G7923.1%
Dm7820.5%
Cmaj7615.4%
Em737.7%
Am725.1%
F725.1%
Eb0725.1%
A712.6%

Key Patterns Detected

PatternFunctionFrequency
Dm7 -> G7Setup (Major Key)8
G7 -> Cmaj7Resolution (Major)5
G7 -> Dm7Resolution (Minor)3
Cmaj7 -> F7Setup (Major Key)2
A7 -> Dm7Resolution (Minor)1
F#m7b5 -> B7b9Setup (Minor Key)1
B7b9 -> Em7Resolution (Minor)1
Am7b5 -> D7Setup (Minor Key)1
Dm7b5 -> G7Setup (Minor Key)1

Harmonic Highlights

  • Frequent use of I-vi-ii-V and ii-V-I turnarounds reinforces the C major tonal center, providing a classic “rhythm changes” feel.
  • The chromatic passing diminished chord (Eb°7) between Em7 and Dm7 creates smooth descending voice leading within the diatonic framework.
  • Inclusion of the F7 chord introduces a “backdoor” dominant or bluesy subdominant sound, adding harmonic variety to the A-section.
  • Secondary dominants, specifically A7 (V/ii), target the Dm7 chord to strengthen movement toward the dominant G7.

Improvisation Focus C Major/Ionian and the C Major Bebop scale, as the progression primarily ornaments a clear diatonic center with minimal modulation.

Difficulty Rating 2/5; the song relies on standard functional harmony and predictable cadences that are ideal for practicing foundational jazz vocabulary.


📚 Standard Available in:

The Real Book - Volume V
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