Chord Distribution Analysis

Chord SymbolCountFrequency
Gm71322.4%
Fmaj7813.8%
C7813.8%
Am7712.1%
Faug46.9%
F635.2%
D735.2%
Ab723.4%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7Setup (Major Key)8
C7 -> Fmaj7Resolution (Major)5
Fmaj7 -> Bb7Setup (Major Key)2
Am7 -> D7Setup (Major Key)2
D7 -> Gm7Resolution (Minor)2
Bb7 -> Fmaj7/AResolution (Major)1
Bm7b5 -> E7Setup (Minor Key)1
E7 -> Am7Resolution (Minor)1
Am7b5 -> D7b9Setup (Minor Key)1
D7b9 -> Gm7Resolution (Minor)1

Harmonic Highlights

  • The opening cycle (F - Faug - F6 - Faug) establishes a static tonic foundation with a chromatic moving inner voice (C - C# - D - C#), creating a restless, melancholic atmosphere.
  • The sequence Am7 - Ab7 - Gm7 utilizes a tritone substitution (Ab7 for D7alt) to create a smooth chromatic descent from the iii chord to the ii chord.
  • The use of Fmaj7 to Bb7 (IV7) or Bbm6 (iv) provides a “minor plagal” flavor, a classic Rodgers technique to deepen the harmonic tension before resolving to Fmaj7/A.

Improvisation Focus Chord-tone targeting with a focus on the #5 and 6 tensions to highlight the signature chromatic inner-voice movement of the A section.

Difficulty Rating 3/5: The ballad’s slow tempo demands high melodic control and sensitive phrasing to navigate the subtle, non-functional chromaticism without losing the harmonic thread.


📚 Standard Available in:

The Real Book - Volume III
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