Swedish progressive heavy rock band founded in Borlänge, Sweden in 1991, and composed of guitarist/vocalist Nicklas Barker, cellist/keyboardist Anna Sofi Dahlberg, bassist/vocalist Jan Erik Liljeström and drummer Peter Nordins. They are notable for the use of the Mellotron and their heavy sound dominated by a pounding bass guitar. Their music is associated with the tradition of 1970s progressive rock music, especially that of King Crimson. Since 2015 former The Church guitarist Marty Willson-Piper has been touring with the band and is now a full member.