C7♭9 is the C dominant seventh flat ninth chord. It has 5 notes: C – E – G – B♭ – D♭ (1 – 3 – 5 – ♭7 – ♭9).
A seventh flat nine adds a flat ninth to a dominant seventh. It is very tense and resolves strongly, common in jazz, gospel and minor keys.
C7♭9 chord on Guitar
x32320
8-10-8-9-8-9Shape 1, string by string (low E to high E): low E not played; A 3rd fret; D 2nd fret; G 3rd fret; B 2nd fret; high E open.
C7♭9 chord on Ukulele
3004
3103
15-13-12-15Shape 1, string by string (G, C, E, A): G 3rd fret; C open; E open; A 4th fret.
C7♭9 chord on Piano
Play C, E, G, B♭ and D♭ together with your right hand, and C (the root) in your left. To move between chords smoothly, try inversions: keep the notes shared with the next chord and move the others the shortest distance.
Songs with the C7♭9 chord
C7♭9 appears in 2 songs on Yalle Media. The newest:
Related chords
Other C chords:
Chords in the key of C major:
C7♭9 chord: questions
What notes are in the C7♭9 chord?
C7♭9 (C dominant seventh flat ninth) is made of C, E, G, B♭ and D♭ (1 – 3 – 5 – ♭7 – ♭9).
How do you play C7♭9 on guitar?
The most common shape is x32320 (from the low E string to the high E string; x = don’t play, 0 = open string).
How do you play C7♭9 on ukulele?
Play 3004 (strings G, C, E, A; 0 = open string).
Looking for a different chord? Feel free to use our free Chord Shape Generator.