To pay for these items, you can use a linked credit/debit card or an . Redeeming a Card :
: Purchased songs are generally 256kbps AAC files. While you own the license, it is recommended to keep local backups, as items can occasionally be delisted by the provider.
: Use the iTunes Store app on iPhone/iPad or the Apple Music app on Mac/Windows.
The process of "buying on iTunes" has evolved into a multi-app ecosystem. While the remains the primary destination for music, movies and TV shows are now predominantly handled through the Apple TV app . Purchasing Content by Category
Buy music from the iTunes Store on your iPhone or iPad - Apple Support
Open > Settings > General > Show iTunes Store > Search > Click Price.