Chord Distribution Analysis

Chord SymbolCountFrequency
Ebmaj71627.1%
Fm71118.6%
Bb7915.3%
C7610.2%
Cmaj723.4%
Bb7sus23.4%
Cm723.4%
Fm7b511.7%

Key Patterns Detected

PatternFunctionFrequency
Fm7 -> Bb7Setup (Major Key)9
Bb7 -> Ebmaj7Resolution (Major)9
C7 -> Fm7Resolution (Minor)5
Fm7 -> Bb7susSetup (Major Key)2
Bb7sus -> Ebmaj7Resolution (Major)2
C7 -> Fm7b5Resolution (Minor)1
Fm7b5 -> Bb7b9Setup (Minor Key)1
Bb7b9 -> Ebmaj7Resolution (Major)1
Dm7 -> G7Setup (Major Key)1
G7 -> Cmaj7Resolution (Major)1
C7b9 -> Fm7Resolution (Minor)1
G7b9 -> Cm7Resolution (Minor)1
Bbm7 -> Eb7Setup (Major Key)1
Eb7 -> Abmaj7Resolution (Major)1
Abmaj7 -> Db7Setup (Major Key)1
Gm7b5 -> C7Setup (Minor Key)1

🎼 Sheet Music

Find Lead Sheet on Sheet Music Direct (PDF)

Harmonic Highlights

  • The core progression utilizes a repetitive ii-V-I-VI turnaround (Fm7-Bb7-Ebmaj7-C7), where C7 functions as a secondary dominant (V/ii) to cycle back to the supertonic.
  • The composition features significant modal interchange, shifting the tonality from Eb major to the parallel Eb minor (or Gb major) during the bridge for dramatic contrast.
  • Porter employs extended dominant chains and chromaticism in the “B” section to create a long-meter build-up, delaying the resolution back to the tonic Eb.

Improvisation Focus Navigating the modal interchange between Eb Major and Eb Minor/Gb Major scales.

Difficulty Rating 3/5; while the A-section turnarounds are standard, the unusual 56-bar length and abrupt shifts to the parallel minor require disciplined formal awareness.

📚 Standard Available in:

The Real Book - Volume III
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