C7♭9
C 7th Flat 9 · 4 fingerings
Flattening the ninth of a dominant chord gives C7♭9 a dark, tense edge that pulls hard toward resolution — especially into a minor chord. It's essential jazz vocabulary for the V chord in a minor key, and it shares its notes with a diminished seventh a semitone up, which is why diminished shapes work so well over it.
C7♭9 · position 1
C7♭9 · position 2 · fret 6
C7♭9 · position 3 · fret 8
C7♭9 · position 4 · fret 9
Practice this Chord
Play-alongs whose transcribed chord changes include C7♭9.
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