Hi Aaron. I'm Greg, 10 years awarded Windows MVP, here to help you.
Are you syncing files to OneDrive using it's Backup explained here:
https://www.elevenforum.com/t/turn-on-or-off-on... ?
If so then you can right click certain files to exclude from Syncing.
As to why your audio files won't play, what is the file type?
To repair corrupted audio files see here:
https://repairit.wondershare.com/audio-repair/4...
https://www.lifewire.com/how-to-repair-mp3-file...
https://www.addictivetips.com/windows-tips/corr...
https://www.youtube.com/watch?v=ICYwdJUi1bw
https://www.youtube.com/watch?v=K8kyxkv0CCM
Report back results for each step so I know what else to suggest.
Feel free to ask back any questions. Based on the results you post back I may have other suggestions if necessary.
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