Song download sites give you the opportunity to pick and choose from millions of songs and albums. Some tracks include DRM protection while others are free of restrictions. eMusic offers over 3.5 million DRM-free Mp3 song downloads at $.33 or less per song. All songs are playable on MP3 or portable audio devices including iPod and Zune. Amazon MP3 provides access to over 2 million DRM-free Mp3 songs playable on almost any MP3 or portable audio device. For those with iPods, Apple iTunes provides a one stop shop for music, movies, audiobooks and more. They offer a library of 6 million DRM-protected songs along with 1 million or so DRM free downloads. Wal-Mart Music carries around 1 million l DRM free song and album downloads. Napster and Rhapsody also offer per song downloads in which you own the tracks. This differs from their unlimited download services which allow you access to millions of songs as long as you subscribe to their service. Lets take a look at the song download services.