Chord Distribution Analysis

Chord SymbolCountFrequency
C6414.3%
Dm7414.3%
G7310.7%
Em7310.7%
D7/F#27.1%
Fm627.1%
A727.1%
D#0713.6%

Key Patterns Detected

PatternFunctionFrequency
Dm7 -> G7Setup (Major Key)2
Em7 -> A7Setup (Major Key)2
G7 -> Cmaj7Resolution (Major)1
Cmaj7 -> F7Setup (Major Key)1
Em7 -> A7b9Setup (Major Key)1
A7b9 -> Dm7Resolution (Minor)1
A7#5 -> Dm7Resolution (Minor)1
Dm7 -> G7#5Setup (Major Key)1

Harmonic Highlights

  • Chromatic passing motion: The Dm7 - D#°7 - C6/E sequence employs a #i°7 diminished chord to bridge the ii chord to the tonic in first inversion.
  • Modal interchange: The D7/F# to Fm6 transition introduces the minor subdominant (ivm6), providing characteristic “darker” harmonic color within a major context.
  • Circle of fifths chains: Frequent iii-VI-ii-V turnaround patterns (Em7-A7-D7-G7) drive the harmonic momentum and reinforce the C major center.
  • Non-diatonic extensions: The inclusion of F7 near the tonic acts as a “backdoor” dominant or bluesy IV7, momentarily shifting the tonal gravity.

Improvisation Focus II-V-I pattern mastery and the C Major Bebop scale, utilizing F Melodic Minor to navigate the Fm6/iv chord colors.

Difficulty Rating 3/5: The tune remains primarily in one key but demands precision when navigating frequent chromatic passing chords and secondary dominant cycles.


📚 Standard Available in:

The Real Book - Volume V
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