Chord Distribution Analysis

Chord SymbolCountFrequency
Dm71120.4%
G7814.8%
Am7713.0%
Cmaj7611.1%
Em747.4%
A7#923.7%
Bm7b523.7%
E7b923.7%

Key Patterns Detected

PatternFunctionFrequency
Dm7 -> G7Setup (Major Key)7
G7 -> Cmaj7Resolution (Major)5
Em7 -> A7#9Setup (Major Key)2
A7#9 -> Dm7Resolution (Minor)2
Bm7b5 -> E7b9Setup (Minor Key)2
E7b9 -> Am7Resolution (Minor)2
Em7 -> A7Setup (Major Key)2
F#m7b5 -> B7b9Setup (Minor Key)1
B7b9 -> Em7Resolution (Minor)1
Am7 -> D7Setup (Major Key)1
Gm7b5 -> C7b9Setup (Minor Key)1
C7b9 -> Fmaj7Resolution (Major)1
Fmaj7 -> Bb7Setup (Major Key)1
A7 -> Dm7Resolution (Minor)1

Harmonic Highlights:

  • Establishes a lyrical foundation through frequent diatonic I-vi-ii-V progressions in C major.
  • Features secondary dominant chords with altered extensions, such as A7#9 (V7/ii), adding harmonic tension.
  • Prominently tonicizes related minor keys using robust minor ii-V-i sequences, including Bm7b5-E7b9-Am7.
  • The F#m7b5-B7b9 sequence further introduces transient modulations to the mediant minor.

Improvisation Focus: Altered Dominant Scales.

Difficulty Rating: 4/5. The frequent modulations to related minor keys, coupled with altered dominant chords, require a strong grasp of functional harmony and altered scales.