How do I sync my phone to the music content I have in iTunes?
How do I sync my phone to my iTunes music library?
Question marked as
Polly,
If you don't have an Apple Music subscription, you can connect directly and sync per this guide:
Sync your iPhone, iPad, or iPod using your computer - Apple Support
If you have a subscription, you can set up cloud syncing:
Use Sync Library to access your music library across your devices - Apple Support