Deciding what key a song is in is often a judgement call. I don’t want a computer choosing for me. I will be happy to consider its suggestion though, including when I know it’s wrong.

Just checking, are you aware you can set a different key signature in each bar in BIAB?

Since you know music theory you must also know that composers disagree whether to change the key signature for a modulation.


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.