"Violet Hill," the first single from Coldplay's upcoming album, Viva La Vida, out June 17th, will be available as a free download from the band's website for one week beginning Tuesday, April 29th, at 7:15 a.m. EDT - a full week before it goes on sale at digital retailers. "Violet Hill" also debuts on radio this Tuesday.Check coldplay.com beginning April 29th for details on how to win tickets. As this is a free show, no tickets will be available for purchase. Also, for those across the pond: a free show at Brixton Academy in London on June 16th.