As the audio track shown above was UNlinked, in essence it was a separate track.
But an additional music track, totally unrelated to video, was also tested. No snapping in version 11.74 (64-bit
Record_2022_07_25_15_18_08_705.mp4
Close the program. Restart, and before loading anything, go to OPTIONS | DISC tab and Clear Unused Cache Files. Then load the content.
Save Project File AS routinely, giving it a unique # or name, so as not to overwrite prior saves. Using Save Project Files (no AS) will overwrite. From the HOME tab, that choice is available by clicking the chevron to the right of the Save Project button on the toolbar. That way, you're protected.