Queen to perform at Sonisphere Festival Lambert will join Queen's Brian May and Roger Taylor to headline the Saturday night at the summer festival. The 30-year-old singer, who came second on the eighth series of American Idol, performed with Queen at the MTV Europe Music Awards in November 2011. The Sonisphere Fesitval is an international touring rock festival, which comes to the UK this year in from 6-8 July and will take place at Knebworth Park in Hertfordshire. Kiss will headline the Friday night and Faith No More will headline the final night, Sunday. Evanescence, Marilyn Manson, Cypress Hill, The Blackout have also been added to the list. Queen's former lead singer Freddie Mercury died in 1991. Brian May said: "Judging by my incoming mail, this decision will make a lot of people very happy. It's a worthy challenge for us, and I'm sure Adam would meet with Freddie's approval. Should Queen perform without Freddie Mercury?