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Bbdim7 chord (B flat diminished seventh) on piano

Bbdim7 (B flat diminished seventh) has four notes: B flat, D flat, F flat and A double flat. Its formula is 1, b3, b5, bb7.

Bbdim7 inversions and fingering

FbAbbBbDb
Root position
Bb Db Fb Abb · RH 1-2-3-5 · LH 5-3-2-1
FbAbbDbBb
First inversion
Db Fb Abb Bb · RH 1-2-3-5 · LH 5-3-2-1
FbAbbBbDb
Second inversion
Fb Abb Bb Db · RH 1-2-3-5 · LH 5-3-2-1
AbbFbBbDb
Third inversion
Abb Bb Db Fb · RH 1-2-3-5 · LH 5-3-2-1
AbbBbDb
Shell (left hand)
Bb Db Abb · LH 5-3-1

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Bbdim7 chord facts
SymbolBbdim7
Also writtenBb°7, Bbo7
NotesBb Db Fb Abb
Formula1 b3 b5 bb7
Intervalsroot, minor third, tritone, major sixth
TypeDiminished seventh chord

Bbdim7 across the keyboard

C3C4C5Fbb5Abbbb7Fbb5Abbbb7Dbb3Bb1Dbb3Bb1

Piano, C3 to C5. Notes in this scale, low to high: Db3 (flat 3), Fb3 (flat 5), Abb3 (double flat 7), Bb3 (1), Db4 (flat 3), Fb4 (flat 5), Abb4 (double flat 7), Bb4 (1).

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Questions

What notes are in the Bbdim7 chord?

Bbdim7 (B flat diminished seventh) has four notes: B flat, D flat, F flat and A double flat. Its formula is 1, b3, b5, bb7. Bb is the root, Db is the minor third, Fb is the tritone and Abb is the major sixth.

How do you play Bbdim7 on piano?

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

What is the difference between Bbdim7 and Bbdim?

Bbdim7 is Bbdim (Bb, Db and Fb) with Abb, the double flat 7th, added.