Sigur Rós – ‘Brennisteinn’ jimmy 25/03/2013 postrock In January, Sigur Rós announced the departure of long-term keyboardist Kjartan Sveinsson. Now a trio, Sigur Rós will release their new album ‘Kveikur’ on June 17 (June 18 USA) via XL Recordings (pre-order here). ‘Brennisteinn’ (brimstone) is the first track released from the album, check out the video below. The Icelandic vets are tipped to get more “aggressive” this time round, a reaction to their previous LP ‘Valtari’. Sigur Rós – ‘Brennisteinn’ Visit Sigur Rós online @ XL Recordings @ Facebook.