NEW YORK (Reuters) - Sigur Ros, the Icelandic band that Radiohead once famously hailed as an inspiration, have been making albums for a decade and a half, but bassist and founding member Georg Holm still finds a lot of myths surround the quartet. Back on the road after the May release of their sixth album, "Valtari," Holm spoke with Reuters, dispelling some of the rumors and explaining why the band took a break from touring after 2008. Q: Why such a long break from touring, four years? A: "Originally we decided after the last tour that we would have a year off. ...