Tickets for 89.9 KCRW's presentation of Sigur Rós on October 2nd at The Greek go on sale Saturday at 10:00 a.m. Lucky for you, LAist running a contest giving you a chance to win a pair of tickets to the show before tickets go on sale. For past contests related to the Greek, we've asked you what to do in Los Feliz and what's so great about Griffith Park. In light of high gas prices......