"Nattura" is the title of a song by the Icelandic musician Bjork. The song was written to help raise money and awareness for the Nattura Campaign, which aims to create sustainable green workplaces for Icelanders. Radiohead's Thom Yorke guests on backing vocals and while Brian Chippendale, Matthew Herbert and Mark Bell of the band Lighting Bolt add bass, drums and electronic beats. The single was released via iTunes on October 20, 2008.Nattura Info: Nattura the song is here!