The Bb diminished 7 / A# diminished 7 chord (Bbdim7) is made of the notes Bb, Db, Fb and G. It is built from the root Bb with a minor third, a diminished fifth and a diminished seventh.
The diminished 7 chord is symmetrical and very tense: it works as a passing chord in jazz and classical music.
Bb diminished 7
Notes: Bb – Db – Fb – G
Guitar — positions on the neck
Piano — root position and inversions
Fingerings and positions
On guitar, this chord can be played in 2 ways along the neck. It is most often played with a barre. Example fingering (from the low E string to the high E string, x = muted string): 678686. On piano, the right hand plays 4 notes, in root position or in an inversion.
The notes of the Bb diminished 7 chord (Bbdim7) are Bb, Db, Fb and G.
How do you play the Bb diminished 7 chord on guitar?
On guitar, this chord can be played in 2 ways along the neck. It is most often played with a barre. Example fingering (from the low E string to the high E string, x = muted string): 678686.
How is the Bb diminished 7 chord built?
The Bb diminished 7 / A# diminished 7 chord (Bbdim7) is made of the notes Bb, Db, Fb and G. It is built from the root Bb with a minor third, a diminished fifth and a diminished seventh.
Are Bb and A# the same chord?
Yes: Bb and A# are the same note (they are called enharmonic), so Bb diminished 7 / A# diminished 7 is played exactly the same way, with the same fingerings.