"Boyle is collaborating with electronic musical duo Underworld, whose 1990s rave classic Born Slippy featured in Trainspotting. They have already mixed two tracks at London's Abbey Road studios. Asked about timings for the ceremony, Boyle said the music will be used to help dictate the pace of athletes parading around the stadium."
http://www.bbc.co.uk/news/uk-18392025