Meshuggah is a Swedish extreme metal band from Umeå, formed in 1987. Meshuggah first attracted international attention with the 1995 release Destroy Erase Improve for its fusion of fast-tempo death metal, thrash metal, progressive metal and jazz fusion elements. Since its 2004 EP I, Meshuggah has switched from seven-string to down-tuned eight-string guitars. Meshuggah has become known for their innovative musical style, complex, polymetered song structures and polyrhythms. Meshuggah was labelled as one of the ten most important hard rock and heavy metal bands by Rolling Stone.