Samael are a long-running Swiss black metal band formed in 1987 in Sion, Switzerland. Although much of their music from the mid-1990s onwards has incorporated electronic sounds which would best define their genre as industrial metal, Samael was originally founded as an early 2nd Wave black metal band. Their first demos presented a slow, doomy style of thrash metal with raw vocals, similar to that of Celtic Frost. Some of the songs would be included on Worship Him (1991) and Blood Ritual (1992).