One of my favorite musicals is City of Angels, which had a book by Larry Gelbart and songs by David Zippel and Cy Coleman. And one of the best songs in it was "You Can Always Count on Me," which was sung in the original Broadway production by Randy Graff, who won a Tony for her performance. She played the Girl Friday to a hardboiled Chandleresque private eye who never gave her the time of day. Here she is singing the song on a 1990 episode of Phil Donahue's show…