2012 McGrath Elementary talent show in Newhall, CA. Performing a dance to Cha Cha Slide Gangnam Style Remix at the 2010 California Distinguished Award and the 2011 National Blue Ribbon Award winning Elementary School in Santa Clarita, CA.\rbr \rbr Elementary talent show performance December 20, 2013. Everybody clap your hands!! Cha Cha Slide !\rbr \rbr McGrath Elementary teachers flash mob video here: \rbr \rbr A mix-up of PSYs Gangnam Style and Cha Cha Slide - called Gangnam Slide: Everybody Clap Your Hands song remix. The Cha Cha Slide lyrics by DJ Casper (Willie Perry aka Mr.