Chord Distribution Analysis

Chord SymbolCountFrequency
Fm91839.1%
Bb131226.1%
Db948.7%
C7#948.7%
Bbm712.2%
Eb712.2%
Abmaj712.2%
Db712.2%

Key Patterns Detected

PatternFunctionFrequency
C7#9 -> Fm9Resolution (Minor)2
Fm9 -> C7#9Setup (Major Key)2
Bbm7 -> Eb7Setup (Major Key)1
Eb7 -> Abmaj7Resolution (Major)1
Abmaj7 -> Db7Setup (Major Key)1
Db7 -> Gbmaj7Resolution (Major)1
Gm7b5 -> C7b5b9Setup (Minor Key)1
C7b5b9 -> Fm9Resolution (Minor)1

Harmonic Highlights

  • Employs a recurring i-IV (Fm9โ€“Bb13) Dorian vamp, establishing a modal texture within a 12-bar minor blues framework in 3/4 time.
  • Utilizes a bVIโ€“V turnaround (Db9 to C7#9), providing a chromatic dominant approach that heightens tension before the resolution to the tonic.
  • The structure deviates from standard blues by replacing the subdominant IVm chord with a dominant IV13, reinforcing the F Dorian sound throughout the progression.

Improvisation Focus F Dorian mode combined with F minor blues scale runs.

Difficulty Rating 3/5; the minor blues structure is straightforward, but maintaining the rhythmic pocket in a jazz-waltz feel while navigating the bVI-V turnaround requires intermediate-level proficiency.


๐Ÿ“š Standard Available in:

The Real Book - Volume I
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