Mark Lanegan is mostly known for his work at first with the "Screaming Trees" and then with the "Queens of the Stone Age". Lanegan left the Queens of the Stone Age in late 2004 also if he then still appears as guest star on the album "Lullabies to Paralyze". Lanegan collaborates with Greg Dulli on the project called "Gutter Twins" and collaborates also with Isobel Campbell (of the ex duo "Belle and Sebastian").