The D♯dim7 chord contains the notes D♯, F♯, A, C. Symmetric — every interval is a minor 3rd. Maximum tension, slippery in resolution.
Voicings
Symmetric diminished
Every chord tone on the neck
| # | Degree | Note |
|---|---|---|
| 1 | 1 | D♯ root |
| 2 | b3 | F♯ |
| 3 | b5 | A |
| 4 | bb7 | C |
Sound & use
Symmetric — every interval is a minor 3rd. Maximum tension, slippery in resolution.
Passing chord, common-tone diminished (e.g. C → C#°7 → Dm); silent-film villain music.
Common in: jazz, classical, ragtime, film
Also written as: °7
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