Type in the name of your favorite band, and within moments the site will be streaming a radio station, featuring songs from that band and others like it, to your desktop through your browser � no registration and no downloads required. You can "tune" the play list by using the thumbs-up and thumbs-down buttons. A new Backstage section is a searchable directory of artists and albums � "your door to the music universe" � courtesy of the Music Genome Project.