This Thursday, Icelandic post-rock kings Sigur Rós will debut their latest album, Valtari, to the entire music listening world during a massive listening party. Dubbed the “Valtari Hour”, at 7 PM on the 17th, fans everywhere will be able to tune in for the record. Just head over to the band’s website at the right time, which already has a neat little countdown going. Look our for Valtari on EMI/XL come May 29th.