Chord Distribution Analysis

Chord SymbolCountFrequency
Ebmaj7511.9%
C7511.9%
Fm7511.9%
Bb7511.9%
Abmaj737.1%
Gm737.1%
Bb7b924.8%
Eb724.8%

Key Patterns Detected

PatternFunctionFrequency
C7 -> Fm7Resolution (Minor)4
Fm7 -> Bb7Setup (Major Key)4
Gm7 -> C7Setup (Major Key)3
Ebmaj7 -> Bb7b9Setup (Major Key)2
Bb7b9 -> Ebmaj7Resolution (Major)2
Eb7 -> Abmaj7Resolution (Major)2
Bb7 -> Ebmaj7Resolution (Major)2
Am7b5 -> D7Setup (Minor Key)1
D7 -> Gm7Resolution (Minor)1
Cm7 -> F7Setup (Major Key)1
Bb7 -> Fm7Resolution (Minor)1

Harmonic Highlights

  • Employs a chromatic ascent from the IV chord (Abmaj7) through a #iv°7 (F#°7) to the iii chord (Gm7), a classic functional bridge.
  • Utilizes a secondary ii-V (Am7b5–D7) to tonicize Gm7, momentarily shifting the tonal focus toward the relative minor (Cm) before returning to the primary cycle.
  • Features an extended iii-VI-ii-V turnaround (Gm7–C7–Fm7–Bb7), providing a strong cyclical drive back to the Ebmaj7 tonic.
  • Includes a tritone substitution or subV (Db7 to C7) that creates smooth chromatic voice leading into the supertonic.

Improvisation Focus Eb Major Bebop Scale and ii-V-I melodic patterns.

Difficulty Rating 3/5: The tune uses standard major harmony but requires navigating secondary dominants and a minor ii-V leading to the iii chord.


📚 Standard Available in:

The Real Book - Volume III
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