UK band Bossk have announced their sophomore album, Migration, due June 18 via Deathwish (pre-order). The Martin Ruffin-recorded album features guest vocals by Cult of Luna's Johannes Persson and Palm Reader's Josh McKeown and guest instrumentation/noise by members of Endon, and Johannes is on lead single "Menhir." It's a towering, six-minute track through bone-crushing sludge, atmospheric post-metal, and psychedelia, and it really puts a fresh spin on this sound. Check it out below...