This kind of data entry is not supported. You should go to the Wishlist. +1 for Jacob Collier.

The closest you can come is using a / root (single note) for bass.

I also use the Window menu, MIDI chord detection feature to enter complex chords and see if they can be spelled conventionally. This is a superb tool that is overlooked in BIAB.


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.