Salif Keita, a singer from Mali embraces Youssou N'Dour from Senegal, as an unidentified presenter looks on during a concert in Dakar, Senegal on Saturday, March 12, 2005.Top African singers are adding their voices to the fight against malaria, taking the stage in Senegal to help boost awareness of the leading killer of the continent's children.(AP Photo/Cassandra Vinograd)