Redeem it at appstore.com . This credit can then be used to purchase individual tracks through any Apple-supported interface.
If you are on an iOS device, you don't need the "Music" app to buy songs; there is a dedicated storefront. Open the app (the purple icon with a star). Search for the song or album you want. buy itunes music without itunes
The music will then appear in your library across your devices. Redeem it at appstore
You can browse and purchase music directly through a browser on any device. Navigate to the Apple Music Web Player. Sign in with your Apple ID. buy itunes music without itunes