When was the person who was sampled on Breakn' a Sweat born?
Breakn' a Sweat:  It contains a vocal sample from a 1960s interview with Jim Morrison, while the remaining members of The Doors and Skrillex did the chants. Jim Morrison: James Douglas Morrison (December 8, 1943 – July 3, 1971) was an American singer, songwriter, and poet, best remembered as the lead singer of the Doors.
December 8, 1943