root position: C#add9
C♯ – E♯ – G♯ – D♯
C#add9 Piano Chord
The C sharp add9 chord (C♯add9) is made of the notes C♯, E♯, G♯ and D♯. Its formula is 1 – 3 – 5 – 9.
Notes in C♯add9
| Note | Formula | Interval from root |
|---|---|---|
| C♯ | 1 | root |
| E♯ | 3 | major 3rd |
| G♯ | 5 | perfect 5th |
| D♯ | 9 | major 9th |
How to play C♯add9 on piano
- Right hand: fingers 1-2-3-5
- Left hand: fingers 5-3-2-1
Fingers are numbered from the thumb (1) to the little finger (5).
C♯add9 inversions
1st inversion: C#add9/E#
E♯ – G♯ – C♯ – D♯
2nd inversion: C#add9/G#
G♯ – C♯ – D♯ – E♯
Other names for C#add9
C♯add9 is also written as C♯add9, C#add2, C♯add2, Dbadd9, D♭add9, Dbadd2, D♭add2.
Keys that contain C♯add9
C♯add9 is not one of the basic chords of any major or minor key. It is usually used as a passing or colour chord.