In 1975, Grossman composed Snoopy: The Musical with lyricist Hal Hackady which has been performed in six languages worldwide with the first London production receiving an Olivier award nomination.
In 2008, Off-Broadway's York Theatre Company produced a retrospective of his Broadway work, remounting Minnie's Boys, Grind, Goodtime Charley, and "Compose Yourself," new revue of his music.
[6][7] In 2010, Grossman composed A Christmas Memory with lyrics by Carol Hall and the book by Duane Poole, based on the Truman Capote short story.
Film work includes the song score for The Walt Disney Company's Pocahontas II: Journey to a New World, The Great Mouse Detective and The Princess Diaries 2 and MGM's That's Dancing!.
[10][11] Dramatic film scores include Kurt Vonnegut's Displaced Person and the remake of Hitchcock's Suspicion, both for American Playhouse.
[12] Grossman's Emmy Award-winning television work includes nearly 100 musical specials, concerts and cabaret for artists including Julie Andrews, Shirley MacLaine Liza Minnelli & Goldie Hawn, Andy Williams, Steve Lawrence & Eydie Gormé, Joel Grey, Glen Campbell, Sandy Duncan and Ann-Margret.