Bbdim chord (B flat diminished) on guitar
Bbdim (B flat diminished) has three notes: B flat, D flat and F flat. Its formula is 1, b3, b5. In major keys, Bbdim is the vii° chord in B major.
Bbdim chord shapes
Fingers: 1 on A, 2 on D, 4 on G, 3 on B.
Fingers: 4 on D, 2 on G, 1 on B, 3 on e.
Fingers: 4 on D, 2 on G, 1 on B.
Fingers: 3 on E, 1 on A, 4 on G, 2 on B.
Fingers: 1 on D, 2 on G, 4 on B, 3 on e.
Fingers: 4 on E, 2 on A, 1 on G, 3 on B.
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| Symbol | Bbdim |
|---|---|
| Also written | Bb°, Bbo |
| Notes | Bb Db Fb |
| Formula | 1 b3 b5 |
| Intervals | root, minor third, tritone |
| Type | Diminished chord |
Bbdim across the neck
Guitar · 6-string, tuned low to high: E, A, D, G, B, e. 24 frets.
- E string: fret 0 Fb (flat 5), fret 6 Bb (1), fret 9 Db (flat 3), fret 12 Fb (flat 5), fret 18 Bb (1), fret 21 Db (flat 3), fret 24 Fb (flat 5).
- A string: fret 1 Bb (1), fret 4 Db (flat 3), fret 7 Fb (flat 5), fret 13 Bb (1), fret 16 Db (flat 3), fret 19 Fb (flat 5).
- D string: fret 2 Fb (flat 5), fret 8 Bb (1), fret 11 Db (flat 3), fret 14 Fb (flat 5), fret 20 Bb (1), fret 23 Db (flat 3).
- G string: fret 3 Bb (1), fret 6 Db (flat 3), fret 9 Fb (flat 5), fret 15 Bb (1), fret 18 Db (flat 3), fret 21 Fb (flat 5).
- B string: fret 2 Db (flat 3), fret 5 Fb (flat 5), fret 11 Bb (1), fret 14 Db (flat 3), fret 17 Fb (flat 5), fret 23 Bb (1).
- e string: fret 0 Fb (flat 5), fret 6 Bb (1), fret 9 Db (flat 3), fret 12 Fb (flat 5), fret 18 Bb (1), fret 21 Db (flat 3), fret 24 Fb (flat 5).
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Questions
What notes are in the Bbdim chord?
Bbdim (B flat diminished) has three notes: B flat, D flat and F flat. Its formula is 1, b3, b5. Bb is the root, Db is the minor third and Fb is the tritone.
How do you play Bbdim on guitar?
The easiest shape is x12320. Fingers: 1 on A, 2 on D, 4 on G, 3 on B.
What key is Bbdim in?
In major keys, Bbdim is the vii° chord in B major. It is diatonic to those keys, so it fits songs in any of them.
What is the difference between Bbdim and Bbm?
Bbdim is Bbm with its 5th lowered a half step, from F to Fb. That flat 5th is what gives it its tense sound.