Chord Distribution Analysis

Chord SymbolCountFrequency
Bbm7618.2%
Eb7515.2%
Cm7515.2%
Fm739.1%
Dm739.1%
G739.1%
F726.1%
Am726.1%

Key Patterns Detected

PatternFunctionFrequency
Bbm7 -> Eb7Setup (Major Key)5
Dm7 -> G7Setup (Major Key)3
Cm7 -> F7Setup (Major Key)2
F7 -> Bbm7Resolution (Minor)2
G7 -> Cmaj7Resolution (Major)1
G7 -> Cm7Resolution (Minor)1
Eb7 -> Abmaj7Resolution (Major)1

Harmonic Highlights

  • Employs ii-V cells (Bbm7-Eb7) that function as secondary dominants to the subdominant, but often resolve deceptively to the iii (Cm7) or vi (Fm7) to create delayed resolution.
  • Features a prominent modulation to C Major via a ii-V-I sequence (Dm7-G7-Cmaj7), shifting the tonal center a major sixth away from the Eb tonic.
  • Utilizes cyclical fourths and parallel minor ii-Vs to smoothly transition between the primary key and temporary tonal centers.

Improvisation Focus Navigating key center shifts through voice leading, specifically managing the transition between the Eb Major and C Major landscapes.

Difficulty Rating 3/5; while the tempo is relaxed, the frequent modulations and non-diatonic ii-V sequences require sophisticated harmonic navigation and melodic continuity.


๐Ÿ“š Standard Available in:

The Real Book - Volume III
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