A song on a iPod or MP3 that is there for show. The owner skips the song when using their player, but keeps it anyway to impress others and show off their musical knowledge.
Kyle (looking at iTouch): You like Linkin Park too? I have an extra ticket to their concert, wanna come with?
Christy: You don't listen to Linkin Park.
Sara: Yeah those songs are all just show tunes.