Legitimate contenders to the claim of "world's most insane extreme metal band," Australia's Sadistik Exekution formed in the mid-'80s and remained steadfastly committed to playing the fastest, most violently over-the-top music they could throughout their career. In some ways old-school and in others nearly avant-garde, their style mixed together aspects of black, thrash, death, and doom metal, often played at incredibly fast speeds, while at others rendered at a nearly dirge-like crawl. The group was founded in 1986 by vocalist Rok and bassist Dave Slave, although it took seve...