How can I cancel an apple music subscription when I have no access to the apple ID of the subscription or its devices?

Hey there cbaylaender,

Thanks for reaching out to Apple Support Communities. We understand you’d like to know how to cancel an Apple Music subscription without the Apple ID or devices the subscription is tied to. We’ll be happy to help with this.

You’ll need to have the account or devices the subscription is associated with in order to cancel it. You can read more about this here:

See or cancel your subscriptions 

We hope this helps.

Take care.