Chord Distribution Analysis

Chord SymbolCountFrequency
D7623.1%
G7519.2%
A7519.2%
C727.7%
B727.7%
Bb727.7%
Bm713.8%
E713.8%

Key Patterns Detected

PatternFunctionFrequency
Bm7 -> E7Setup (Major Key)1
Em7 -> A7Setup (Major Key)1

Harmonic Highlights

  • The progression utilizes a chromatic dominant descent (B7-Bb7-A7), which functions as a sophisticated turnaround to reach the primary dominant (D7).
  • Extensive use of the cycle of fourths (Bm7-E7-A7-D7) creates a series of secondary dominants that drive the resolution back to the tonic.
  • The harmony shifts between G7 and C7, employing a blues-influenced I7-IV7 movement that deviates from standard diatonic major functionality.

Improvisation Focus Chord Tone Soloing: Target the 3rds and 7ths of the rapid dominant cycles to highlight the voice leading through the chromatic sections.

Difficulty Rating 2/5: The tune is accessible for intermediate players as it relies on standard swing-era cadences and clear, functional circle-of-fifths motion.


๐Ÿ“š Standard Available in:

The Real Book - Volume III
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