C Sharp Added 9th (also written Dbadd9)
C#add9 is made of 4 notes: C#, E# (F), G# and D#. Here it is in root position, with C# at the bottom.
Inside Notley Piano: all the inversions of C#add9, fingering for both hands, a play button, and practice that helps you remember it.
| Note | Degree | Interval from C# |
|---|---|---|
| C# | 1 | root |
| E# (F) | 3 | major 3rd |
| G# | 5 | perfect 5th |
| D# | 9 | 9th |
An add9 chord is a major chord with the 9th added (the 2nd, an octave up). It sounds shimmering and modern, and is a favorite in acoustic pop and worship music.