iTunes charge
Why am I receiving these charges every month. I have never bought music with iTunes?
iPhone 6s, iOS 12
If it's every month it will be a subscription, so is unlikely to be music (unless you've subscribed to Apple Music). Look at the purchase histories of all iTunes accounts linked to the card : See your purchase history in the App Store or iTunes Store - Apple Support
If it shows and if it's a subscription that you no longer want : View, change, or cancel your subscriptions - Apple Support