Chord Distribution Analysis

Chord SymbolCountFrequency
Bbm7616.7%
Eb7616.7%
Abmaj7411.1%
Cm738.3%
F738.3%
Dm725.6%
G725.6%
Cmaj725.6%

Key Patterns Detected

PatternFunctionFrequency
Bbm7 -> Eb7Setup (Major Key)6
F7 -> Bbm7Resolution (Minor)3
Eb7 -> Abmaj7Resolution (Major)2
Dm7 -> G7Setup (Major Key)2
Cm7 -> F7Setup (Major Key)2
G7 -> Cmaj7Resolution (Major)1
F#m7 -> B7Setup (Major Key)1
B7 -> Emaj7Resolution (Major)1

Harmonic Highlights

  • Employs a sequential series of ii-V-I progressions that modulate upward by major thirds (Ab to C to E), reflecting a tertiary relationship between key centers.
  • Utilizes a tonicization of the IV chord (Abmaj7) via a secondary ii-V (Bbm7-Eb7) to establish a lush, romantic harmonic foundation.
  • Features a consistent harmonic rhythm where each tonal center is established over four bars, allowing for clear but rapid transitions between distantly related keys.

Improvisation Focus Voice leading through sequential ii-V-I transitions across distal major keys.

Difficulty Rating 3/5 โ€“ The steady harmonic rhythm is manageable, but the frequent modulations into three distinct key centers require advanced proficiency in transposition and guide-tone navigation.


๐Ÿ“š Standard Available in:

The Real Book - Volume V
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