 Complete the following phrase:  Coldplay began their Viva la Vida Tour in June, with a free concert at Brixton Academy in London. This was followed two days later by a 45-minute performance that was broadcast live from outside BBC Television Centre. Released in late 2008, Lost! became the third single from the album, featuring a new version with Jay-Z called Lost. After performing the opening set on 14 March 2009 for Sound Relief at the Sydney Cricket Ground, Coldplay headlined a sold-out concert later that same night. Sound Relief is a benefit concert for victims of the 