Chord Distribution Analysis

Chord SymbolCountFrequency
C#m1118.3%
Bm1118.3%
D7sus18.3%
E7sus18.3%
F#7sus18.3%
G#7sus18.3%
C#m718.3%
Bm718.3%

Key Patterns Detected

PatternFunctionFrequency
G#7sus -> C#m7Resolution (Minor)1
Bm7 -> E7Setup (Major Key)1
E7 -> Amaj7Resolution (Major)1
D#m7b5 -> G#7b9Setup (Minor Key)1

Harmonic Highlights

  • The progression utilizes a modern modal vamp centered on C# minor, frequently shifting through parallel quartal “sus” chords (D7sus to G#7sus) that create tension and upward linear motion.
  • A Bm11 to E7sus ii-V cell is used to tonicize the IV chord (Amaj7), momentarily breaking the minor tonality with a bright, diatonic major resolution.
  • The harmony employs a standard minor ii-V-i (D#m7b5โ€“G#7b9โ€“C#m7) in the turnaround, providing a functional harmonic anchor back to the relative minor tonic.

Improvisation Focus C# Minor Pentatonic and Blues scale combined with modal shifting (Mixolydian/Dorian) over the parallel sus-chord sequences.

Difficulty Rating 3/5. While the repetitive groove is accessible, navigating the non-diatonic sus-chord shifts and quick ii-V resolutions requires intermediate modal proficiency and precise timing.


๐Ÿ“š Standard Available in:

The Real Book - Volume I
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