C Sharp Dominant 7th (also written Db7)
C#7 is made of 4 notes: C#, E# (F), G# and B. Here it is in root position, with C# at the bottom.
Inside Notley Piano: all the inversions of C#7, 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 |
| B | b7 | minor 7th |
A dominant 7th chord adds a minor 7th on top of a major chord. It sounds bluesy and restless, and it pulls strongly back to the chord a 5th below. It is the backbone of the 12-bar blues.