Meshuggah is a Swedish five-piece experimental metal band formed in 1987. The band comprises founding members vocalist Jens Kidman and guitarist Fredrik Thordendal, rhythm guitarist Mårten Hagström, who joined the band after Kidman ceased playing rhythm guitar in 1991, drummer Tomas Haake, who joined before the band's debut album Contradictions Collapse and bassist Dick Lövgren, member since 2004.   Wikipedia