Liebermann's first opera, The Picture of Dorian Gray, was broadcast on NPR in 1999, in its American premiere production from the Florentine Opera in Milwaukee. Liebermann should not be confused with the Swiss opera composer Rolf Liebermann.
The Picture of Dorian Gray, opera in two acts Libretto by the composer after the novel by Oscar Wilde. May 8, 1996, Opera de Monte-Carlo, Monte Carlo, Monaco
Miss Lonelyhearts Libretto by J. D. McClatchy after the novelty by Nathanael West. April 26, 2006, Julliard Opera Center, The Julliard Theater, New York, New York