Chord Distribution Analysis

Chord SymbolCountFrequency
Fm7917.3%
Bb7917.3%
Eb6713.5%
Cm759.6%
Gm747.7%
Abmaj723.8%
C7b1323.8%
Am7b523.8%

Key Patterns Detected

PatternFunctionFrequency
Fm7 -> Bb7Setup (Major Key)8
Gm7 -> C7b13Setup (Major Key)2
C7b13 -> Fm7Resolution (Minor)1
Bb7 -> Fm7Resolution (Minor)1
Bb7 -> Ebmaj7Resolution (Major)1
Am7b5 -> D7b9Setup (Minor Key)1
D7b9 -> Gm7Resolution (Minor)1
Gm7 -> C7Setup (Major Key)1
C7 -> Fm7Resolution (Minor)1
Bbm7 -> Eb7Setup (Major Key)1
Am7b5 -> D7b13Setup (Minor Key)1
D7b13 -> Gm7b5Resolution (Minor)1
Gm7b5 -> C7b9Setup (Minor Key)1
C7b9 -> Fm7Resolution (Minor)1

Harmonic Highlights

  • Diatonic I-vi-ii-V sequences in Eb major establish a stable tonal center before introducing chromatic substitutions.
  • The secondary dominant C7(b13) acts as a V/ii, using the flat-thirteenth to create a dark, minor-key pull toward the Fm7.
  • The F#ยบ7 serves as a #iiยบ7 chromatic passing chord, facilitating a smooth linear ascent from the ii (Fm7) to the iii (Gm7).
  • Modal interchange and tonicization of the IV chord (Abmaj7) provide a brief expansion of the harmonic palette beyond the home key.

Improvisation Focus Navigating guide-tone voice leading through secondary dominants and diminished passing chords while maintaining a lyrical Eb major phrasing.

Difficulty Rating 2/5; the progression is largely diatonic and follows standard functional patterns, making it an ideal study for beginner-to-intermediate ballad playing.


๐Ÿ“š Standard Available in:

The Real Book - Volume III
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