The small o means diminished. Type "dim". Example: Bbdim or G#dim

In BIAB, in most styles, a dim chord will sound as a dim7 chord.

There is more to this topic, if you need details. It would probably be better to use the BIAB forum, rather than this Woodshedding one.


BIAB 2025 Win Audiophile. Software: Studio One 7 Pro, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Roland Integra-7, Presonus 192 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.