Oh Ive got more, How about Maki, the lead singer of the Metalcore band HIGH and MIGHTY COLOR?
http://youtube.com/watch?v=XZa3DjNBS1I
They used to be a Metallica cover band, believe it or not.
Edit: Maki is the chick, not the dude.... I picked kind of a bad example, because Yuusuke sings a lot of Ichirin no Hana.