Although they surely qualify as one of England's most successful thrash metal bands, Lancashire's hapless Xentrix ultimately came to epitomize all of Great Britain's relatively insignificant contributions to speed metal -- as compared to the genre's utterly dominating American bands. Formed in 1986 (as Sweet Vengeance, in the town of Preston) by vocalist/guitarist Chris Astley, guitarist Kristian Havard, bassist Paul MacKenzie, and drummer Dennis Gasser, Xentrix started life, not surprisingly, as a Metallica cover band, gradually drawing attention to themselves on the U.K. pub...