Chord Distribution Analysis

Chord SymbolCountFrequency
Ebmaj7723.3%
Fm7516.7%
Bb7516.7%
C7#926.7%
Bbmaj726.7%
Eb626.7%
Cm713.3%
F713.3%

Key Patterns Detected

PatternFunctionFrequency
Fm7 -> Bb7Setup (Major Key)5
Bb7 -> Fm7Resolution (Minor)3
C7#9 -> Fm7Resolution (Minor)2
Cm7 -> F7Setup (Major Key)1
F7 -> Bbmaj7Resolution (Major)1
Bbm7 -> Eb7Setup (Major Key)1
Eb7 -> Abmaj7Resolution (Major)1
Gm7b5 -> C7#9Setup (Minor Key)1

Harmonic Highlights

  • The progression utilizes a I-VI-ii-V structure, featuring a C7#9 as a secondary dominant (V/ii) to create blues-inflected tension before resolving to the supertonic.
  • Extended supertonic-dominant cycles (Fm7-Bb7) reinforce the Eb major tonality through repetitive functional cadences.
  • The secondary dominant F7 (V/V) introduces chromaticism to briefly tonicize the dominant area (Bbmaj7).
  • The Bbm7-Eb7 sequence functions as a ii-V cell leading to the IV chord (Ab), a standard pivot into the subdominant bridge.

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

Difficulty Rating 2/5: The harmonic rhythm is predictable and the progressions consist of standard functional jazz movements, making it highly accessible for intermediate improvisers.


๐Ÿ“š Standard Available in:

The Real Book - Volume VI
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