Bbdim7 chord
Bb diminished seventh
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Play Bbdim7 on ukulele at frets 0-1-0-1 in gCEA tuning.
The Bbdim7 chord has the formula 1, b3, b5, bb7 with notes Bb, Db, E, G
The diminished seventh chord is used in classical and jazz music. It is often formed on the seventh degree and used as a leading-tone chord toward the tonic.