ok, eager beaver,seeing your request, I took an extra 5 mins to watch my tivo and found it out for you:
Robert Solomon 26
sang "Dancin in the streets" - I don't know the original artist, but there was a remake in the 80s with David Bowie and Mick Jagger, i think. ??
Simon said he looked like a gymnast with the tight white tshirt.
smooch!