Video that shows DJ Randys dance floor skills (skip to 4:00) : https://www.youtube.com/watch?v=HT_IzWYH9rI&feature=youtu.be 
YES! He had BOTH Grandma AND Grandpa up on chairs dancing! *skill*

Video that shows DJ Brads dance floor skills (skip to 1:14) : https://www.youtube.com/watch?v=T2WGSWYKJi8

Video that shows DJ Eddies dance floor skills (skip to 1:00) : https://www.youtube.com/watch?v=X7A0PdIwEMU