Ann Margret with the Bay City Rollers
I'm sure many have seen this clip as it was very popular on the internet.
http://www.popmatters.com/pm/post/126508-ann-margret-and-the-bay-city- rollers-sing-for-an-unusual-audience
Aside from the unusual audience it looked like Ann was having a great time.
http://www.justredheads.net