Mary McCarty and Chita Rivera. Kander: Writing “Class” was fun in that way where we were able to just let go. Ebb: That was a duet for Velma and the prison matron. After we had written it, I remember having serious second thoughts about the number. Ebb: I almost talked myself out of that one. Funny songs actually terrify me. I'm at a loss there because very seldom do I think what I've written is funny. I would have cut "Class" in two minutes from my own fear of it before I