Create Playlists In Windows 8 Xbox Music App
From the Windows 8 Start screen launch Xbox music. Scroll to the left and select My Music. Next click Playlists from the My Music menu. Now select New Playlist, type in a name for it and click Save. From here you can create as many playlists you want. From your music library, right click an album or individual song. From the menu that pops up from the bottom of the screen select Add to Playlist....