can't find apple music subscription to cancel

If it is billed through Verizon you will need to cancel it through Verizon. See the following from https://www.verizon.com/support/apple-music-faqs/

6 - How do I cancel my Apple Music subscription?

You can cancel your Apple Music subscription from your computer or mobile device in My Verizon.

Contact vVerizon about it if it is through them.

Please click on this link to learn "How to cancel a subscription from Apple" --> https://support.apple.com/HT202039

"If the subscription that you want to cancel is not listed", click here --> https://support.apple.com/HT212052

If you still can't find a subscription, contact Apple Support using the link at the end of the support article.