Chord Distribution Analysis

Chord SymbolCountFrequency
Abmaj7614.3%
Eb7511.9%
F749.5%
Bbm749.5%
Ab737.1%
Dbmaj737.1%
D0724.8%
Am712.4%

Key Patterns Detected

PatternFunctionFrequency
F7 -> Bbm7Resolution (Minor)4
Bbm7 -> Eb7Setup (Major Key)4
Eb7 -> Abmaj7Resolution (Major)4
Ab7 -> Dbmaj7Resolution (Major)3
D07 -> Am7Resolution (Minor)1
Dm7 -> G7Setup (Major Key)1
Gm7b5 -> C7Setup (Minor Key)1
Fm7 -> Bb7Setup (Major Key)1
Dbm7 -> Gb7Setup (Major Key)1

  • The use of F7 (VI7) as a secondary dominant to Bbm7 (ii) establishes a characteristic Monk-esque dominant cycle.
  • A classic Imaj7 - I7 - IVmaj7 progression (Abmaj7 - Ab7 - Dbmaj7) incorporates the I7 as a dominant function.
  • Abrupt modulations to new key centers are prominent, exemplified by the Dm7-G7 (ii-V of C major) and Gm7b5-C7 (ii-V of F minor) sequences.
  • Chromaticism is vital, with chords like D07 and F7#11 introducing significant tension and unexpected resolutions.

Improvisation Focus: Navigating transient modulations with precise chord-scale application.

Difficulty Rating: 5 (Advanced). The numerous, abrupt key center shifts and sophisticated dominant alterations demand advanced harmonic understanding and execution.