Gitaroo-man is a rhythm music game for the SONY Playstation 2 that happens to feature a reggae/theremin song. It's a weird combination so it's worth a look.
The song starts at 3:51 in this video http://www.youtube.com/watch?v=_tppn_VgBvM
The song starts at 3:51 in this video http://www.youtube.com/watch?v=_tppn_VgBvM