I believe you just have to set up an iTunes account. To my knowledge, there is no cost involved. Then you hit File for the drop-down menu and there is an option to update music from your iPhone to the music library in ITunes. After you've done this, the music on your phone should show up in your Library on iTunes. Make sure you uncheck "Automatic Sync" on the page that pops up when you plug your phone in. Once you see your music there, you can click on Update iPhone. After that, you can make any playlist you want out if your library, and sync it to your phone. iTunes help is pretty helpful. Hope this makes sense.