Username or email address *
Password *
Log in
Lost your password?
Root : A
3rd : C#
5th : E
9th : B
Aadd9
Aadd9/B
Aadd9/C#
Aadd9/E
An added ninth chord is a major triad with an added ninth. Added ninth chords differ from other ninth chords because the seventh is never included.