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Ddim7 chord (D diminished seventh) on piano

Ddim7 (D diminished seventh) has four notes: D, F, A flat and C flat. Its formula is 1, b3, b5, bb7.

Ddim7 inversions and fingering

DFCbAb
Root position
D F Ab Cb · RH 1-2-3-5 · LH 5-3-2-1
FCbDAb
First inversion
F Ab Cb D · RH 1-2-3-5 · LH 5-3-2-1
CbDFAb
Second inversion
Ab Cb D F · RH 1-2-3-5 · LH 5-3-2-1
CbDFAb
Third inversion
Cb D F Ab · RH 1-2-3-5 · LH 5-3-2-1
DFCb
Shell (left hand)
D F Cb · LH 5-3-1

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Ddim7 chord facts
SymbolDdim7
Also writtenD°7, Do7
NotesD F Ab Cb
Formula1 b3 b5 bb7
Intervalsroot, minor third, tritone, major sixth
TypeDiminished seventh chord

Ddim7 across the keyboard

C3C4C5D1Fb3Cbbb7D1Fb3Cbbb7Abb5Abb5

Piano, C3 to C5. Notes in this scale, low to high: D3 (1), F3 (flat 3), Ab3 (flat 5), Cb3 (double flat 7), D4 (1), F4 (flat 3), Ab4 (flat 5), Cb4 (double flat 7).

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Questions

What notes are in the Ddim7 chord?

Ddim7 (D diminished seventh) has four notes: D, F, A flat and C flat. Its formula is 1, b3, b5, bb7. D is the root, F is the minor third, Ab is the tritone and Cb is the major sixth.

How do you play Ddim7 on piano?

Play D, F, Ab and Cb together. Root position: D F Ab Cb · RH 1-2-3-5 · LH 5-3-2-1.

What is the difference between Ddim7 and Ddim?

Ddim7 is Ddim (D, F and Ab) with Cb, the double flat 7th, added.