Chord Distribution Analysis

Chord SymbolCountFrequency
Ebmaj7511.4%
Fm7511.4%
C749.1%
Abm749.1%
Bb749.1%
Bbm736.8%
Eb736.8%
G7b1324.5%

Key Patterns Detected

PatternFunctionFrequency
C7 -> Fm7Resolution (Minor)3
Bbm7 -> Eb7Setup (Major Key)3
G7b13 -> Cm7Resolution (Minor)2
Eb7 -> Abm7Resolution (Minor)2
Gm7 -> C7Setup (Major Key)2
Fm7 -> Bb7Setup (Major Key)2
Abm7 -> Db7Setup (Major Key)2
Bb7#5 -> Ebmaj7Resolution (Major)2
Eb7 -> Abmaj7Resolution (Major)1
Fm7 -> Bb7#5Setup (Major Key)1
Ebmaj7 -> Ab7Setup (Major Key)1

  • Utilizes a series of secondary dominants (e.g., C7 for Fm7, G7b13 for Cm7) driving harmonic movement.
  • Features frequent ii-V-I patterns, including the common turnaround Gm7-C7-Fm7-Bb7.
  • Employs a backdoor ii-V-I progression (Abm7-Db7 to Ebmaj7), adding sophisticated harmonic color.
  • Includes minor ii-V changes (Bbm7-Eb7 to Abm7) within its broader Eb major tonality.

Improvisation Focus: Emphasizing chord tones and arpeggios over various ii-V-I and secondary dominant progressions.

Difficulty Rating: 4 (Advanced Intermediate). Intermediate harmonic complexity due to frequent modulations via secondary dominants, altered chords, and backdoor progressions.