C♯9 piano chord (C♯ dominant 9th)
C♯ – E♯ – G♯ – B – D♯
Formula 1 – 3 – 5 – ♭7 – 9
C♯9 inversions
An inversion keeps the same notes but puts a different one at the bottom. Use them to move to the next chord with the smallest hand movement.
Root position C♯9
C♯ – E♯ – G♯ – B – D♯
1st inversion C♯9/E♯
E♯ – G♯ – B – D♯ – C♯
2nd inversion C♯9/G♯
G♯ – B – D♯ – C♯ – E♯
3rd inversion C♯9/B
B – D♯ – C♯ – E♯ – G♯
4th inversion C♯9/D♯
D♯ – C♯ – E♯ – G♯ – B
Other C♯ chords
C♯9 chord questions
What notes are in the C♯ dominant 9th chord?
C♯9 is C♯, E♯, G♯, B, D♯. Its formula is 1 – 3 – 5 – ♭7 – 9, counted from the root C♯.
How do you play C♯9 on piano?
With the right hand in root position, play C♯–E♯–G♯–B–D♯ using all five fingers (1–5) (thumb on C♯). The full five-note shape spans more than an octave, so pianists usually play the root C♯ in the left hand and E♯–G♯–B–D♯ in the right.
What are the inversions of C♯9?
Root position: C♯–E♯–G♯–B–D♯; 1st inversion: E♯–G♯–B–D♯–C♯; 2nd inversion: G♯–B–D♯–C♯–E♯; 3rd inversion: B–D♯–C♯–E♯–G♯; 4th inversion: D♯–C♯–E♯–G♯–B.