Bush and Blair went to the U.N. in good faith to build international support, and perhaps in the process to rescue the U.N. from irrelevance.

CENTERFORSECURITYPOLICY: Get on with it

Other artists on stage on Sunday included flamboyant singer Paloma Faith, ex-Guns N' Roses guitarist Slash and reggae legends Toots and the Maytals.

BBC: Stevie Wonder thrills Glastonbury Festival

N'dour said he wanted to show a positive view of Islam at a time when his faith was being misinterpreted.

BBC: NEWS | Entertainment | Singer N'dour records Islam album