Got a dance, but it's really on some street shit / I'ma show you how to get it / It go right foot up, left foot, slide / Left foot up, right foot, slide / Basically, I'm sayin' either way, we ...

Willie Perry Jr., better known as DJ Casper, who died Monday, first created his megahit "The Cha Cha Slide" for his nephew's aerobics class.

Left foot, let's stomp. MCCAMMON: The song left the gym and made its way to the club and, yeah, eventually to so many weddings. Willie Perry Jr. spoke with WBEZ about the early days of the song's ...