Chord Distribution Analysis

Chord SymbolCountFrequency
G7412.1%
Cmaj739.1%
F739.1%
F#0739.1%
B7#526.1%
Em7b526.1%
Dm7b526.1%
Gm726.1%

Key Patterns Detected

PatternFunctionFrequency
B7#5 -> Em7b5Resolution (Minor)2
Dm7b5 -> G7Setup (Minor Key)2
Gm7 -> C7Setup (Major Key)2
G7 -> Cmaj7Resolution (Major)2
Em7b5 -> A7Setup (Minor Key)1
A7 -> Dm7b5Resolution (Minor)1
Dm7 -> G7Setup (Major Key)1
Em7b5 -> A7b13Setup (Minor Key)1
A7b13 -> Dm7b5Resolution (Minor)1
Am7b5 -> D7b9Setup (Minor Key)1

Harmonic Highlights

  • Frequent use of sequential minor ii-V progressions (Em7b5โ€“A7 and Dm7b5โ€“G7) creates a dark, chromatic contrast against the C major tonic.
  • The B7#5 functions as a secondary dominant (V/iii), initiating a cycle of fourths that bridges the tonic to the supertonic.
  • The F7 to F#o7 to C6/G sequence employs a classic blues-based “IV to #ivo7” passing motion, providing smooth chromatic ascending voice leading (Fโ€“F#โ€“G) in the bass.
  • Brief tonicization of the subdominant (IV) occurs via a Gm7โ€“C7 turnaround, typical of the Kansas City jazz-blues influence.

Improvisation Focus Navigating minor ii-V-I cells using the Harmonic Minor and Altered scales to resolve chromatic tensions (b9, #5, b13) accurately into the next chord.

Difficulty Rating 3/5: The moderate tempo is forgiving, but the constant shift between major and minor tonal centers requires advanced linear awareness.


๐Ÿ“š Standard Available in:

The Real Book - Volume III
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