In addition to Side by Side by Sondheim, there are also: You're Gonna Love Tomorrow (presented in concert as A Stephen Sondheim Evening), Putting It Together and Sondheim on Sondheim are all revues of his work. Marry Me a Little used songs written by Sondheim previously unheard on the professional stage to tell a romance.
"Contentment, it seems, simply happens. It appears accompanied by no bravos and no tears."