Do I lose my Music

margarita52 Said:

"Do I lose my Music: Do I lose my Music if I back up my iPhone"

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Backing Up iPhone and Data Loss:

If purchased music, then no, as it will stay in your Purchase History.

1. Go here: What does iCloud Back Up? - Apple Support
2. Scroll to: Here’s what iCloud Backup includes
3. As it reads: "Purchase history from Apple services, like your music, movies, TV shows, apps, and books3"