You mute the piano track and you still hear the piano? I can think of a few possible reasons:

Did you Freeze any BIAB tracks? Unfreeze them.

Is this a MIDI file you got from somewhere else, not BIAB?

Do you have an audio track?

Try muting the Thru track.

Report back. We’ll get it solved.


BIAB 2024 Win Audiophile. Software: Studio One 6.5 Pro, Swam horns, Acoustica-7, Notion 6; Win 11 Home. Hardware: Intel i9, 32 Gb; Roland Integra-7, Presonus Studio 192, Presonus Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors