delete – Audio files not deleting?

Apologies if this has been answered, I attempted to search for answers and found nothing for my specific issue.

I’ve got several music files I’m trying to delete from my device (motorola e5 cruise, if this helps any) and while they stay deleted for around a day or so, they always come back fully. I can’t get rid of them, and they take up a lot of space.

It’s worth noting this device has given me grief as far as deletions before; it automatically deletes images after a day if I move them to a different folder, and I didn’t notice until I would look for something important and find it gone. It’s extremely frustrating, and I would appreciate any help I can get for these issues, but primarily the music files if you can. Thank you very much!