I pay for apple music with verizon, what do I do if I pay apple also

You need to link you Verizon account with your Apple ID.

Can I get Apple Music promotion if I already have a music subscription through Apple - Verizon Support

1. Once you redeem the Verizon promotional subscription and link your Apple ID, you'll be prompted within the Apple Music app to cancel one of your subscriptions. Canceling with Apple will continue your Apple Music subscription through Verizon.

Subscribe to Apple Music with Verizon - Verizon Support

Follow the steps in the Verizon website by clicking the link I provided above.

Here it is again. click here ➜ Subscribe to Apple Music with Verizon - Verizon Support