Yannick Noah single "Angela", a tribute to Angela Davis. It also contained a duet with Aṣa in "Hello". On 25 September 2010, he filled the Stade de France for an exceptional concert that was attended by close to 80,000 spectators. Noah is very active in charity work. He supports Enfants de la Terre, a charity created and run by his mother, Marie-Claire, in 1988. Noah also founded Fête le Mur in 1996, a tennis charity and adaptation for underprivileged children, specially in the poor areas and the banlieues. It is presided by Noah himself. He is also a spokesman for Appel des
Tennis shots was pioneered in the 1970s by Guillermo Vilas and Yannick Noah, both of whom claimed to have invented it; later players to use it include Ilie Năstase, Boris Becker, Gabriela Sabatini (whose version was called the "Sabatwini"), Andre Agassi, and Roger Federer, who helped popularize the shot. Forward-facing between-the-legs shots are also occasionally employed; they are sometimes called "front tweeners". The "Bucharest Backfire" is an over-the-shoulder backward shot, generally used to recover lobs. Tennis writer Bud Collins named it in honor of Romanian player Ilie Năstase, who popularized it. Another seldom used shot is a behind-the-back shot, which, as its