Chord Distribution Analysis

Chord SymbolCountFrequency
Em7820.0%
Bm7717.5%
A7717.5%
D6512.5%
Am725.0%
D725.0%
Gmaj725.0%
E725.0%

Key Patterns Detected

PatternFunctionFrequency
Em7 -> A7Setup (Major Key)6
Am7 -> D7Setup (Major Key)2
D7 -> Gmaj7Resolution (Major)2
Bm7 -> E7Setup (Major Key)2
F#m7 -> B7Setup (Major Key)1
B7 -> Em7Resolution (Minor)1
A7 -> Dmaj7Resolution (Major)1
C#m7b5 -> F#7Setup (Minor Key)1
F#7 -> Bm7Resolution (Minor)1

Harmonic Highlights

  • Features a cyclical I-vi-ii-V7 progression in D major, providing a quintessential “rhythm changes” style foundation for the A sections.
  • Incorporates a secondary ii-V (Am7-D7) to tonicize the IV chord (Gmaj7), expanding the harmonic palette within the primary key.
  • Utilizes a ii-V of ii (F#m7-B7) and a minor ii-V (C#m7b5-F#7) to create functional tension leading toward the supertonic and relative minor respectively.

Improvisation Focus D major diatonicism and guide-tone connecting through the frequent ii-V turnarounds.

Difficulty Rating 2/5: The progression is built on standard functional harmony and predictable cycles, offering a straightforward experience for intermediate players.


๐Ÿ“š Standard Available in:

The Real Book - Volume I
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