Reharmonize

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It Ain't Necessarily So

George Gershwin

Chord chart

A
Gm7C7
Gm7C7
Gm7C7
Gm7C7
C7D♭7
C7D♭7
A7♭9♯5D7♯9
Gm7C7
B
B♭m7E♭7
A♭maj7
Am7D7
Gmaj7
Gm7C7
Fmaj7
A7
D7♭13
A
Gm7C7
Gm7C7
Gm7C7
Gm7C7
C7D♭7
C7D♭7
A7♭9♯5D7♯9
Gm7C7

Chord progressions sourced from community-uploaded data for educational practice. Used in good faith for learning purposes.

Recordings

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Tunes are scored by shared chord-progression vocabulary. The label (e.g. ‘Coltrane changes’, ‘ii–V heavy’) explains why two tunes are related. The dots show how strong the match is — 5 dots = near-identical changes, 1 dot = loose harmonic kinship.
Match strength