Sigur Rós has started work on their fourth album, but no word yet on when to expect it out as they will probably do multiple sessions between tour obligations. However, they have confirmed that the recently played live songs "Gong", "Mílanó" and "Salka" are all likely candidates for inclusion and the material can be described "considerably more accessible than [previous album] "( )"". Download live mp3s of the new stuff from here to get a taste of what to expect.