And no, it's not from Company.
http://www.youtube.com/watch?v=X_H9yGF36Rc
with cleavage
I remember this when it first aired on PBS. There were also numbers from Leave It to Jane with Christine Andreas and Beth Howland. Kaye Ballard, Donna Mckechnie and (insert famous opera star here) did Sing for Your Supper.
Videos