C7b9

Dominant 7th Flat 9

Click keys to experiment with the chord

Notes

1•C43•E45•G4b7•A#4b9•C#5

Formula

1 – 3 – 5 – b7 – b9

Intervals: 0 semitones, 4 semitones, 7 semitones, 10 semitones, 13 semitones

About C7b9

The C7b9 chord sounds dark and dramatic, a staple of minor-key resolutions. It is built from the notes C, E, G, A#, C#, stacking 5 tones to create its distinctive sound.

Notes: C – E – G – A# – C# | Formula: 1 – 3 – 5 – b7 – b9

Related Chords

Dominant 7th Flat 9 in other keys

Db7b9 D7b9 Eb7b9 E7b9 F7b9 F#7b9

Other C chords

C5 — Power Chord C6 — Major 6th C7 — Dominant 7th C9 — Dominant 9th C11 — Dominant 11th C13 — Dominant 13th C — Major Cm — Minor

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