The chord notes on the

The notes of the Cadd9 chord
C, E, D
The scale degree of a add9 chord
1, 3, 9
Display total frets:
Cadd9 chord note names

Add9 chords in all keys

Cadd9 chordC, E, D
C♯add9 chordC♯, F, D♯
Dadd9 chordD, F♯, E
D♯add9 chordD♯, G, F
Eadd9 chordE, G♯, F♯
Fadd9 chordF, A, G
F♯add9 chordF♯, A♯, G♯
Gadd9 chordG, B, A
G♯add9 chordG♯, C, A♯
Aadd9 chordA, C♯, B
A♯add9 chordA♯, D, C
Badd9 chordB, D♯, C♯