You will fucking love him if you love hard rock, metal, and you don't mind really clean vocals that are near opera-like. He is an awesome lyricist. He is also the lead singer of the band Nevermore, a progressive metal band.

Take a listen to some of his tracks on his solo album:

http://www.youtube.com/watch?v=ZXW0dccQrog
http://www.youtube.com/watch?v=DjTSaLb9oFo
http://www.youtube.com/watch?v=PZAZ9Vuz__w