http://www.youtube.com/watch?v=I4RD0Gl0V1Y&search=devin%20townsend the video is amazing & funny because of Devin Townsend doing something that different.
As much I love his Death growls & Black Metal screams, I really enjoy his clean vocals. His clean vocals are up there with my other favorite singers with amazing clean vocals that also have killer growls: Mikael Åkerfeldt & Ihsahn.