Aretha Franklin, Stevie Wonder, Cyndi Lauper with Li’l Kim, Dave Stewart and French first-lady Carla Bruni-Sarkozy celebrated Nobel laureate Nelson Mandela‘s 91st birthday July 18 at a heavily reported Radio City Music Hall concert, but in Prospect Park Nigeria’s King Sunny Adé headlined a free five-act, seven-hour pan-African Celebrate Brooklyn! show drawing some 20,000 people. No reviews have been forthcoming, but hey, it was pretty nice, so you should know.