Hi cychan,

BdimMaj7 (or equivalent) is not yet supported by BIAB. Also, even though BIAB lists the chords Bdim and Bdim7 as separate chords, both give the same 4-note chord B-D-F-Ab. BIAB does not yet support a 3-note diminished chord (e.g. B-D-F).

Whenever a chord outside of BIAB's repertoire is required, with a little creative thinking, it's often possible to come up with a suitable alternative chord. In this instance, using Dmaug/B (i.e. D-F-A# on a B bass) should solve the problem for you. (Another that might be worth trying is Bb/B - i.e. D-F-Bb(A#) on a B bass.)

Regards,
Noel


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