C#dim7 chord

The C#dim7 chord (C# diminished seventh, also written Dbdim7) on a piano: the notes, every inversion and the keys it belongs to. Tap play to hear it, and download it as MIDI.

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C#1Eb3Gb5Bbbb7

About the diminished seventh chord

A diminished chord with a diminished seventh. Every note is a minor third from the next, which makes it dramatic and symmetrical.

Formula: 1 b3 b5 bb7. Used in: Film scores, classical, jazz and dark trap.

C#dim7 inversions

Tap an inversion to hear it. Inversions keep the same notes in a different order, which lets chords move smoothly from one to the next.

More C# chords

Other diminished seventh chords

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Questions

What notes are in a C#dim7 chord?

C#, E, G, Bb.

What is the formula of a diminished seventh chord?

1 b3 b5 bb7. A diminished chord with a diminished seventh. Every note is a minor third from the next, which makes it dramatic and symmetrical.

Is C#dim7 the same as Dbdim7?

Yes. C# and Db are the same key on the piano, so the chords sound the same. Which name is used depends on the key of the song.