D°7
Sevenths · D root
D°7
Maximum tension. Fully symmetric — every inversion sounds similar.
0 st3 st6 st9 st
Notes in D°7
DRoot
F3rd
G#5th
B7th
D is bright and resonant, especially on guitar (open D chord). Very common in folk, rock, and pop.
Identify the Chord Quality on D
Each chord below is played on D. Listen and identify whether you heard D°7, Dm, D7, or another quality — the hardest and most useful ear training skill.
Diminished 7th in All 12 Keys
Other Chords in D
Related Sevenths
About the D°7 Chord
The D°7 chord is a diminished 7th chord built on D. It contains the notes D, F, G#, B — the root, third, fifth, and seventh.
Maximum tension. Fully symmetric — every inversion sounds similar. Practising the D°7 chord across different voicings and contexts builds the harmonic recognition that lets you identify it instantly in any musical setting — whether in a band mix, a recording, or a live performance.