Chord Distribution Analysis

Chord SymbolCountFrequency
Cm71031.2%
F71031.2%
Bbmaj7412.5%
Bb6412.5%
Bb26.2%
Db0726.2%

Key Patterns Detected

PatternFunctionFrequency
Cm7 -> F7Setup (Major Key)10
F7 -> Cm7Resolution (Minor)6
F7 -> Bbmaj7Resolution (Major)2

Harmonic Highlights

  • The progression utilizes a #i°7 (Db°7) passing diminished chord to provide chromatic voice leading between the tonic Bb and the supertonic Cm7.
  • Frequent movement between the tonic major-seventh and major-sixth (Bbmaj7 to Bb6) creates a “sweet” harmonic staticism typical of mid-century pop-jazz.
  • The structure relies on repetitive ii-V7 cycles (Cm7–F7) that reinforce the Bb major tonality and define the rhythmic pulse of the 3/4 waltz meter.

Improvisation Focus Bb Major Scale, specifically targeting the 3rd and 7th degrees on downbeats to navigate the frequent ii-V turnarounds.

Difficulty Rating 1/5 — The predictable diatonic structure and lack of complex modulations make it an ideal entry-level standard for beginners.


📚 Standard Available in:

The Real Book - Volume I
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