Carla Bruni Sarkozy will be in concert in "live" on the stage for a duo with Dave Stewart (ex Eurythmics), for the 91st birthday of Nelson Mandela and for the first edition of the annual "Mandela Day". Aretha Franklin, Queen Latifah, Cyndi Lauper, the Soweto Gospel Choir, Stevie Wonder, Alicia Keys, T-Pain, Jesse Clegg, Gloria Gaynor...will participate to the show, in the benefit of aids care.