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Gdim7 chord (G diminished seventh) on piano

Gdim7 (G diminished seventh) has four notes: G, B flat, D flat and F flat. Its formula is 1, b3, b5, bb7.

Gdim7 inversions and fingering

GFbBbDb
Root position
G Bb Db Fb · RH 1-2-3-5 · LH 5-3-2-1
FbGBbDb
First inversion
Bb Db Fb G · RH 1-2-3-5 · LH 5-3-2-1
FbGDbBb
Second inversion
Db Fb G Bb · RH 1-2-3-5 · LH 5-3-2-1
FbGBbDb
Third inversion
Fb G Bb Db · RH 1-2-3-5 · LH 5-3-2-1
GFbBb
Shell (left hand)
G Bb Fb · LH 5-3-1

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Gdim7 chord facts
SymbolGdim7
Also writtenG°7, Go7
NotesG Bb Db Fb
Formula1 b3 b5 bb7
Intervalsroot, minor third, tritone, major sixth
TypeDiminished seventh chord

Gdim7 across the keyboard

C3C4C5Fbbb7G1Fbbb7G1Dbb5Bbb3Dbb5Bbb3

Piano, C3 to C5. Notes in this scale, low to high: Db3 (flat 5), Fb3 (double flat 7), G3 (1), Bb3 (flat 3), Db4 (flat 5), Fb4 (double flat 7), G4 (1), Bb4 (flat 3).

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Questions

What notes are in the Gdim7 chord?

Gdim7 (G diminished seventh) has four notes: G, B flat, D flat and F flat. Its formula is 1, b3, b5, bb7. G is the root, Bb is the minor third, Db is the tritone and Fb is the major sixth.

How do you play Gdim7 on piano?

Play G, Bb, Db and Fb together. Root position: G Bb Db Fb · RH 1-2-3-5 · LH 5-3-2-1.

What is the difference between Gdim7 and Gdim?

Gdim7 is Gdim (G, Bb and Db) with Fb, the double flat 7th, added.