Trying to log out of my old Apple Music

Hi Bigmack4202,

Thanks for contacting Apple Support Communities!

We understand that you'd like to sign out of Music on your iPhone, correct?

Are you attempting to cancel your Apple Music subscription? If so, this resource will guide you through the process of cancelling your subscription: How to cancel Apple Music - Apple Support

"How to cancel Apple Music

1. Go to music.apple.com.
2. Choose Sign In at the top of the page. If you don't see Sign In, skip this step.
3. Tap or click the account icon .
4. Choose Settings.
5. Scroll to Subscriptions and choose Manage.
6. Choose Cancel Subscription."

We hope this helps.

Cheers!