I'm not in front of BIAB to test this, but how are you muting the drums? If you are using the radio button with right-click & mute, instead of that try F5 in bar 1 and mute them in that dialog. If that doesn't work, change the drum volume in bar 1 to zero.


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; Presonus 192 & Faderport 8, Royer 121, Slate VSX, Adam Sub8 & Neumann 120 monitors.