Oh yeah - I once went to a party at Jerry Colangelo's house back in the early 60s. I went to HS with his sister, Rosemary, and she threw the party. Jerry just happened to be there at the time. I didn't see him dance, though.
Plus, Dick Butkis' two sisters were in my HS class (they are twins). I saw him come pick them up after school a few times. He was the scariest guy I ever saw.