Chord Distribution Analysis

Chord SymbolCountFrequency
Bb7sus830.8%
G7sus830.8%
Abmaj727.7%
Bm713.8%
E713.8%
Amaj713.8%
Bbm713.8%
Eb713.8%

Key Patterns Detected

PatternFunctionFrequency
Bm7 -> E7Setup (Major Key)1
E7 -> Amaj7Resolution (Major)1
Bbm7 -> Eb7Setup (Major Key)1
Eb7 -> Abmaj7Resolution (Major)1

Harmonic Highlights:

  • Features extended passages (8 bars each) of dominant suspended chords (Bb7sus, G7sus), establishing prolonged, static harmonic fields.
  • Presents an abrupt modulation via a ii-V-I progression (Bm7-E7-Amaj7) into A major, following the static G7sus section.
  • Introduces an immediate, chromatically distant shift from the Amaj7 tonic to Bbm7, creating a surprising harmonic juxtaposition.
  • The pervasive use of ‘sus’ chords throughout the initial sections delays conventional resolution, creating a distinct modal tension.

Improvisation Focus: Modal improvisation over sustained suspended dominants.

Difficulty Rating: 4 (Advanced). Requires sustained creative development over prolonged static harmonies and navigating abrupt, chromatically distant modulations.