Chord Shape Generator

B♭dim7 chord

B♭dim7 (also written A♯dim7) is the Bb diminished seventh chord. It has 4 notes: B♭ – D♭ – F♭ – G (1 – ♭3 – ♭5 – 𝄫7).

A diminished seventh stacks three minor thirds. It is very tense and symmetrical (the same shape repeats every three frets), a favourite passing chord in gospel.

B♭dim7 chord on Guitar

B♭dim7 chord on guitar, shape 1 (x12020)
Open positionx12020
B♭dim7 chord on guitar, shape 2 (678686)
From the 6th fret678686
B♭dim7 chord on guitar, shape 3 (xx8989)
From the 8th fretxx8989
B♭dim7 chord on guitar, shape 4 (x-13-11-12-11-12)
From the 11th fretx-13-11-12-11-12

Shape 1, string by string (low E to high E): low E not played; A 1st fret; D 2nd fret; G open; B 2nd fret; high E open.

B♭dim7 chord on Ukulele

B♭dim7 chord on ukulele, shape 1 (0101)
Open position0101
B♭dim7 chord on ukulele, shape 2 (3434)
From the 3rd fret3434
B♭dim7 chord on ukulele, shape 3 (6767)
From the 6th fret6767
B♭dim7 chord on ukulele, shape 4 (9-10-9-10)
From the 9th fret9-10-9-10

Shape 1, string by string (G, C, E, A): G open; C 1st fret; E open; A 1st fret.

B♭dim7 chord on Piano

B♭dim7 chord on piano: B♭, D♭, F♭, G

Play B♭, D♭, F♭ and G together with your right hand, and B♭ (the root) in your left. To move between chords smoothly, try inversions: keep the notes shared with the next chord and move the others the shortest distance.

Songs with the B♭dim7 chord

B♭dim7 appears in 17 songs on Yalle Media. The newest:

Related chords

Other Bb chords:

Chords in the key of B♭ major:

B♭dim7 chord: questions

What notes are in the B♭dim7 chord?

B♭dim7 (Bb diminished seventh) is made of B♭, D♭, F♭ and G (1 – ♭3 – ♭5 – 𝄫7).

How do you play B♭dim7 on guitar?

The most common shape is x12020 (from the low E string to the high E string; x = don’t play, 0 = open string).

How do you play B♭dim7 on ukulele?

Play 0101 (strings G, C, E, A; 0 = open string).

Looking for a different chord? Feel free to use our free Chord Shape Generator.