Chord Distribution Analysis

Chord SymbolCountFrequency
Gm7711.5%
Am7711.5%
C746.6%
Bb634.9%
D7b934.9%
Fmaj723.3%
Am7b523.3%
Eb723.3%

Key Patterns Detected

PatternFunctionFrequency
C7 -> Fmaj7Resolution (Major)2
D7b9 -> Gm7Resolution (Minor)2
Eb7 -> Abmaj7Resolution (Major)2
Am7 -> D7Setup (Major Key)2
Ab7 -> Dbmaj7Resolution (Major)2
Am7 -> D7b9Setup (Major Key)1
Am7b5 -> D7b9Setup (Minor Key)1
Bbm7 -> Eb7Setup (Major Key)1
Abmaj7 -> Eb7Setup (Major Key)1
G7b9 -> Cm7Resolution (Minor)1
Dm7b5 -> G7b9Setup (Minor Key)1
G7b9 -> Cmaj7Resolution (Major)1
D7 -> Gm7Resolution (Minor)1
F7b13 -> Bbm6Resolution (Minor)1
Gm7b5 -> C7Setup (Minor Key)1
C7 -> Fm7Resolution (Minor)1
Fm7 -> C7b9Setup (Major Key)1
C7b9 -> Fm7Resolution (Minor)1
Ebm7 -> Ab7Setup (Major Key)1
Dbmaj7 -> Ab7Setup (Major Key)1
C7b9 -> FmResolution (Minor)1

🎼 Sheet Music

Find Lead Sheet on Sheet Music Direct (PDF)

Harmonic Highlights

  • Employs frequent minor ii-V-i progressions (Am7b5–D7b9–Gm7) to target the supertonic, creating a sophisticated, dark tonal color within the F major framework.
  • Features a prominent modulation to the mediant key (Ab major) via a Bbm7–Eb7–Abmaj7 sequence, providing a lush, cinematic departure from the primary tonic.
  • Utilizes parallel minor modal interchange and chromatic descending bass lines to facilitate smooth transitions between disparate tonal centers.

Improvisation Focus Navigating chromatic voice-leading and guide tone connections during the abrupt shift from F major to Ab major.

Difficulty Rating 4/5 – The frequent modulations and reliance on non-diatonic minor ii-V-i patterns require advanced harmonic fluency and precise melodic navigation.

Standard Available in:

  • The Real Book - Volume I
  • The Real Vocal Book - Volume I
Check the Hal Leonard Jazz Song Finder to make sure that the standard is indeed in the book.