Is shuffle on? Does it play normally when off the dock (with headphones or something)? – bassplayer7Dec 17 '12 at 17:36
Which iPod version are we talking about? Which category (album, artist, playlist, etc.) did you use to choose a song? Telling us the first three songs it does play would help, so would screenshots if you're using an iPod Touch! – Jason Salaz♦Dec 17 '12 at 21:32