After the new iOS 14 update and sync, some users reported that their music was missing. There are a few reasons for this. • Bugs. There were a few bugs that may have caused data to go missing. You’ll need to retrieve your old music files from backups. This way, you can restore the missing files. • Apple Music isn’t available in certain regions. Sometimes, Apple Music isn’t available where you are. This will make your music disappear if you used Apple Music to enjoy your tunes. • iCloud Music Library isn’t on for all devices. If you didn’t turn it on for your PC and iPhone, you’ll have to do so. This way, you can sync everything properly again. This should help make your music files appear. You can also re-download music from the iTunes Store if it’s missing. Since Apple keeps a record of what you purchased, you can download those albums again without issue. Sometimes you’ll need a music recovery tool. Thankfully, there are a few of those available for free. Just download one and follow the instructions.