If you like DDR, Broadjam is having a <a href="http://www.broadjam.com/contests/konami/">contest</a> for musicians to compose DDR tracks. There's a $10/song entry fee, though, and you also need to be a member of Broadjam which I haven't heard of before though they're offering a 6-month trial subscription (though that still reeks of shadiness to me).
[EDIT] Oh, and the top prize is only $250, which is pocket change for a track making it into what is sure to be a commercially-successful game, so this seems like a not very good deal at all. But still, people might be interested.