Some of the world's best-known musicians took to stages in 10 different cities around the globe on Saturday to implore rich nations to do more to end poverty in Africa.
Organizers called the group of concerts "Live 8" bringing to mind the gathering later this week of the G-8 leaders, in Scotland.
In the eastern U.S. city of Philadelphia, nearly a million people listened as movie star and rapper Will Smith called the event a "declaration of interdependence" between the world's rich and poor.
In London, former Beatle Paul McCartney and U2 frontman, Bono, kicked off the show. In Rome, Faith Hill, Duran Duran and other artists performed in the ancient Circus Maximus.
Concerts took place in each of the Group of Eight countries. The leaders of the top seven industrialized nations and Russia convene their summit on Wednesday.