Music sold by Amazon MP3 is available in MP3 format, the most widely compatible music file format supported by most media player applications, digital media players like the iPod®, iPhone®, and iPad®, and CD and DVD players. Amazon MP3 offers 16 million songs and over 1 million albums from your favorite artists. Listen to 30-second samples of songs. Amazon MP3 uses 1-Click ordering to make buying music quick and easy.