Chord Distribution Analysis

Chord SymbolCountFrequency
Ebmaj7627.3%
Bb7418.2%
Abm629.1%
Bbm714.5%
Eb714.5%
Abmaj714.5%
A0714.5%
Gm714.5%

Key Patterns Detected

PatternFunctionFrequency
Ebmaj7 -> Bb7Setup (Major Key)2
Bb7 -> Ebmaj7Resolution (Major)2
Bbm7 -> Eb7Setup (Major Key)1
Eb7 -> Abmaj7Resolution (Major)1
Gm7 -> C7Setup (Major Key)1
Cm7 -> F7Setup (Major Key)1

Harmonic Highlights

  • Utilizes a standard I-V turnaround (Ebmaj7 to Bb7) to establish the tonic before shifting to a ii-V of IV (Bbm7 to Eb7) leading to Abmaj7.
  • Employs a chromatic #iv diminished passing chord (Adim7) to bridge the movement between the IV chord and the iii-VI (Gm7-C7) turnaround.
  • Features a subdominant minor substitution (Abm6) for modal interchange, creating a poignant pull back to the tonic Ebmaj7.
  • Incorporates a harmonic “line cliché” (Cm-Cm/maj7-Cm7) over the vi chord, providing internal melodic motion within a static harmonic block.

Improvisation Focus Eb Major Bebop scale, emphasizing the voice-leading of the 3rd during the Abmaj7 to Abm6 transition (C to Cb).

Difficulty Rating 2/5: The progression follows predictable functional harmony and standard secondary dominants, making it highly accessible for intermediate improvisers.


📚 Standard Available in:

The Real Book - Volume VI
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