Chord Distribution Analysis

Chord SymbolCountFrequency
Am7321.4%
G6321.4%
D7214.3%
E7214.3%
Gmaj717.1%
G#0717.1%
Bb0717.1%
G7/F17.1%

Key Patterns Detected

PatternFunctionFrequency
Am7 -> D7Setup (Major Key)2
E7 -> Am7Resolution (Minor)1

Harmonic Highlights:

  • Employs a #I°7 (G#°7) passing chord to create chromatic ascending motion between the tonic (Gmaj7) and the supertonic (Am7).
  • Features a bIII°7 (Bb°7) diminished substitution that functions as a chromatic connector to the ii chord, mirroring a rootless D7(b9) dominant sound.
  • Uses a secondary dominant sequence (G7/F to E7) to target the ii chord (Am7), utilizing a descending chromatic bass line to strengthen the resolution.
  • Relies on repetitive ii-V-I cycles in G major, establishing a high degree of tonal stability characteristic of early American songbook standards.

Improvisation Focus: Voice leading through diminished passing chords using the Whole-Half diminished scale or chord-tone arpeggiation.

Difficulty Rating: 2/5. The predictable harmonic rhythm and clear diatonic framework make it an accessible entry point for learning chromatic passing tones.


📚 Standard Available in:

The Real Book - Volume I
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