Chord Distribution Analysis

Chord SymbolCountFrequency
Gmaj7619.4%
C7#11516.1%
D7412.9%
C#m7b526.5%
Cm626.5%
G6/B26.5%
E7#526.5%
A726.5%

Key Patterns Detected

PatternFunctionFrequency
Gmaj7 -> C7#11Setup (Major Key)5
C7#11 -> Gmaj7Resolution (Major)4
D7 -> Gmaj7Resolution (Major)1
B7 -> Em7Resolution (Minor)1
Am7 -> D7Setup (Major Key)1

Harmonic Highlights

  • Frequent oscillation between I (Gmaj7) and IV7#11 (C7#11) establishes a Lydian-inflected tonic area common in mid-century musical theater.
  • The #ivm7b5 to ivm6 (C#m7b5 to Cm6) chromatic descent functions as a sophisticated subdominant minor variation that pulls strongly toward the tonic G6/B.
  • Turnarounds utilize secondary dominants (E7#5, A7) to facilitate chromatic voice leading through the vi-II-V-I cycles.

Improvisation Focus The C Lydian Dominant scale (C, D, E, F#, G, A, Bb) is critical for navigating the recurring IV7#11 color without losing the G major tonal center.

Difficulty Rating 3/5: The harmonic rhythm is relatively fast during turnarounds, requiring precise navigation of the chromatic subdominant movements within a stable G major framework.


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The Real Book - Volume III
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