On March 23, 1953, born on this day, American singer Chaka Khan, (Yvette Marie Stevens), who was the lead vocalist and focal point of the 1970s funk band Rufus. Khan was the first R&B artist to have a crossover hit featuring a rapper, with 'I Feel for You' in 1984. She has collaborated with Ry Cooder, Robert Palmer, Ray Charles, Quincy Jones, Guru, and Mary J. Blige, among others."