majewski: live aid was the brainchild of bob geldof and midge ure.d everery second o of it. ♪ everything that is in the fight to be free ♪ ♪ so you don't have to live like a refugee ♪ ♪ don't have to live like a refugee ♪ ♪ all we hear is radio gaga ♪ ♪ radio goo goo ♪ ♪ radio gaga ♪ rodgers: the great thing about live aid, it showed that musicians, for me, seemed to be the most altruistic people in the world. a grououp whose heheart isis in dublinin, ireland.. [ cheers and applause ] whose spirit is with the world. a group that's never had any problem saying how they feel, u2. when u2 played live aid, things had changed. rock and roll was getting serious. music coululd change t the wor. bono c could changnge the wor. ♪ sunday blbloody sundaday ♪ ♪ sunday bloody sunday. gibson: u2 formed ten years ago when its members were still school boys, is now arguably the hottest rock and roll band in the world. their last album, "the joshua tree," has so far sold more than 13 million copies worldwide. wild: u2 somehow in the video age were still developing and