From what is described, the song itself may be corrupt and you will have to start over, especially since Return to Factory Settings did not fix it.

About the garbled playback, try rebooting then restarting BIAB.


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; Presonus Quantom HD8 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.