[Orpheum Theatre], Howard Barker, Cynthia Baer, and Robert Chambers present "Little Mary Sunshine," a new musical about an old operetta, book, music, and lyrics by Rick Besoyan, featuring William Graham, Elmarie Wendel, John McMartin, Mario Siletti, Elizabeth Parrish, John Aniston, and Eileen Brennan as "Little Mary," staged and choreographed by Ray Harrison, musical direction by Jack Holmes, book direction by Mr. Besoyan, sets and costumes by Howard Barker, at the twin pianos, Jack Holmes and Gordon Munford, vocal arrangements Mr. Besoyan, dance music arrangements Mr. Holmes.