Chord Distribution Analysis

Chord SymbolCountFrequency
C#m7210.0%
C7sus210.0%
F#7#515.0%
D#m715.0%
D0715.0%
C#m7b515.0%
F#7sus15.0%
F#715.0%

Key Patterns Detected

PatternFunctionFrequency
C#m7 -> F#7#5Setup (Major Key)1
C#m7b5 -> F#7susSetup (Minor Key)1
A#m7 -> D#7Setup (Major Key)1
Fm7 -> Bb7Setup (Major Key)1
D#maj7 -> G#7#5Setup (Major Key)1
G#7#5 -> C#m7Resolution (Minor)1

  • Harmonic Highlights

    • Prominent use of altered dominants (F#7#5, G#7#5) creating rich chromatic tension and sophisticated voice leading.
    • Strategic deployment of diminished chords (D07, F07) as passing chords, adding unexpected harmonic twists.
    • Frequent, brief modulations or tonicizations to related major keys, such as Bmaj7 (relative major) and D#maj7 (V major).
    • Chromatic ii-V progressions (Fm7-Bb7-D#maj7) momentarily shift the tonal center, demanding agile harmonic understanding.
  • Improvisation Focus Melodic minor scales and their derived modes (e.g., Altered Scale, Lydian Dominant).

  • Difficulty Rating: 4 (Advanced). The tune is challenging due to frequent modulations, numerous altered dominants, and non-diatonic chords requiring precise navigation.