That happens because ‘h’ is coded into BIAB as a shortcut to enter m7b5. Type Ch and you get Cm7(b5)

There are others, such as ‘j’ for Maj7.


BIAB 2026 Win Audiophile. Software: Fender Studio One 8, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Fender Quantom HD8 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.