The third installment of the Mystery Film Experiment series has been unveiled today for, "Fjögur píanó", which is the final track from Sigur Ros' recent release Valtari. The video was directed by Alma Har’el and stars Shia LaBeouf and Denna Thomeon. You may have to watch this a few times to understand what all is going on, because I was certainly a bit confused the first time through as was Sigur Ros bassist Georg Holm, "At first I didn't know what to make of the video, because it is so full of ideas and confusion, but now I completely love it. It seems to have no beginning and no end, and just makes you think about what might and might not be going on. It's a puzzle and I think it's absolutely amazing."