(Station content is based on info from the Music Genome Project, which tracks and compares harmony, rhythm, and other song details.) You won't have the same level of control your iPod provides: Pandora - Free Music & Radio doesn't let you play specific songs, and you can only skip a few tunes an hour. This music streaming service offers a similar experience to its website counterpart and does what it does well All you need to do is enter an artist's name to create a station that'll play songs from that musician and similar artists and bands.