Chord Distribution Analysis

Chord SymbolCountFrequency
Ebmaj7833.3%
Fm7312.5%
Gm728.3%
C7b928.3%
Abm728.3%
Emaj7#1128.3%
Ebm714.2%
Ab714.2%

Key Patterns Detected

PatternFunctionFrequency
Gm7 -> C7b9Setup (Major Key)2
C7b9 -> Fm7Resolution (Minor)2
Ebm7 -> Ab7Setup (Major Key)1
Ab7 -> Ebmaj7Resolution (Major)1
Abm7 -> Db7Setup (Major Key)1
Abm7 -> Db7b9Setup (Major Key)1
Db7b9 -> Gbmaj7Resolution (Major)1

Harmonic Highlights

  • Utilizes parallel minor ii-V movements ($Ebm7$ - $Ab7$) to temporarily disrupt the $Eb$ major tonality.
  • Employs “backdoor” ii-V sequences ($Abm7$ - $Db7$) to resolve back to the tonic, a hallmark of Jobim’s harmonic vocabulary.
  • Features a chromatic $Emaj7#11$ as a Lydian bII approach, creating a characteristic bossa nova tension-release to $Ebmaj7$.
  • Extends traditional turnarounds using secondary dominants ($C7b9$) to target the $ii$ chord ($Fm7$).

Improvisation Focus Modal Interchange (navigating the rapid shifts between $Eb$ major and the parallel $Eb$ minor/Dorian colors).

Difficulty Rating 3/5: The structure requires precision in tracking frequent non-diatonic shifts and secondary dominants while maintaining a lyrical bossa nova feel.


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The Real Book - Volume I
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