In order to buy music on Yahoo! Music Unlimited you must have a ID and a Yahoo! Wallet account.

When you click a BUY button for a song, or choose to subscribe to Y! Unlimited, you will be asked to create a ID. Once you have created an ID, you will asked to enter your billing information through our Wallet ecommerce system. Your wallet account can be used to purchase Premium services as well as individual songs and albums.

Once you create these accounts initially, you will be able to sign in quickly and easily in the future.