C♯7♭9 (also written D♭7♭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.
C♯7♭9 chord on Guitar
x43434
9-11-9-10-9-10
x40101Shape 1, string by string (low E to high E): low E not played; A 4th fret; D 3rd fret; G 4th fret; B 3rd fret; high E 4th fret.
C♯7♭9 chord on Ukulele
6575
4214Shape 1, string by string (G, C, E, A): G 6th fret; C 5th fret; E 7th fret; A 5th fret.
C♯7♭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 C♯7♭9 chord
C♯7♭9 appears in 4 songs on Yalle Media. The newest:
Related chords
Other C# chords:
Chords in the key of D♭ major:
C♯7♭9 chord: questions
What notes are in the C♯7♭9 chord?
C♯7♭9 (C# dominant seventh flat ninth) is made of C♯, E♯, G♯, B and D (1 – 3 – 5 – ♭7 – ♭9).
How do you play C♯7♭9 on guitar?
The most common shape is x43434 (from the low E string to the high E string; x = don’t play, 0 = open string).
How do you play C♯7♭9 on ukulele?
Play 6575 (strings G, C, E, A; 0 = open string).
Looking for a different chord? Feel free to use our free Chord Shape Generator.