C Sharp Dominant 7th Suspended 4th (also written Db7sus4)
C#7sus4 is made of 4 notes: C#, F#, G# and B. Here it is in root position, with C# at the bottom.
Inside Notley Piano: all the inversions of C#7sus4, fingering for both hands, a play button, and practice that helps you remember it.
| Note | Degree | Interval from C# |
|---|---|---|
| C# | 1 | root |
| F# | 4 | perfect 4th |
| G# | 5 | perfect 5th |
| B | b7 | minor 7th |
A 7sus4 chord is a dominant 7th with the 3rd replaced by a 4th. It sounds open and floating, and it often leads into the plain 7th chord.