D Diminished 7th
Ddim7 is made of 4 notes: D, F, Ab and Cb (B). Here it is in root position, with D at the bottom.
Inside Notley Piano: all the inversions of Ddim7, fingering for both hands, a play button, and practice that helps you remember it.
| Note | Degree | Interval from D |
|---|---|---|
| D | 1 | root |
| F | b3 | minor 3rd |
| Ab | b5 | diminished 5th |
| Cb (B) | bb7 | diminished 7th |
A diminished 7th chord stacks three minor 3rds. It sounds dramatic and spooky, and every note is the same distance apart, so the same shape repeats every three frets.