But rumours that Adele will make an appearance prove unfounded
Singer says he 'couldn't even get a gig in Butlins' without his bandmates
Chris Martin and co played three songs from 'Mylo Xyloto' as part of 10-song set
Band will be joined by Tinie Tempah, Emeli Sande' and Alan Partridge for the fundraiser
The band will play extra shows in London and Manchester
Band will show off 'Mylo Xyloto' in four football stadiums in 2012
Singer says it was difficult to overcome barriers between rock and hip-hop
The band blub to 'Someone Like You' on the American sketch show
Martin reveals debut song was a 'media savvy' effort inspired by Duchess Of York's breasts