Apple Music subscription

It might be another Apple charge.

• You can review your purchase history and report problems with purchases  in the App Store or iTunes Store.
• Learn how to identify an unfamiliar App Store or iTunes Store charge.
• For help with recurring charges, you can view, change, or cancel your subscriptions

You probably weren’t charged twice for the same thing.

• If you see 'itunes.com/bill' or an unfamiliar charge on your statement - Apple Support
• See your purchase history in the App Store or iTunes Store - Apple Support. Any charge to your Apple ID account will be specified in the purchase history, including subscription fees.
• View, change, or cancel your subscriptions - Apple Support. Any subscriptions on your Apple ID account will be listed here.