In what is expected to be one of the biggest concerts in the country’s history, Icelandic superpowers Bjork and Sigur Ros will play the open-air Nattura tomorrow in Reykjavik. The concert is being held to raise awareness about the impact aluminum smelting is having on Iceland’s landscape. Can’t make it to Reykjavik on such short notice? Thankfully, Nat Geo Music, the musical offshoot of National Geographic Entertainment, will webcast the concert live. The concert kicks off at 7pm Iceland time, so tune in at 3pm if you live in Eastern Standard Time. If Sigur Ros’ set is anything like the show they recently played in New York, you won’t want to miss it. Says Bjork about the concert, “Too often battles being fought for nature turn into something negative and into mudslinging. We will not go that way, we are not saying that this and that is forbidden, we are rather asking ‘What about all these other possibilities?’ The 21st century is not going to be another oil century but rather a century where we need to recycle, think green and design both power plants and our surroundings in harmony with nature.”