Orphée is a chamber opera in two acts and 18 scenes, for ensemble and soloists, composed in 1991 by Philip Glass, to a libretto by the composer, based on the scenario of the eponymous film (1950) by Jean Cocteau. Commissioned by the American Repertory Theater in Cambridge, Massachusetts, and the Brooklyn Academy of Music in New York, this is the first part of a trilogy in honour of the French poet. The world premiere of the work took place on 14 May 1993 under the direction of Martin Goldray and the European premiere in London on 27 May 2005 in the Royal Opera House's Linbury Studio Theatre.

Les Enfants terribles is a danced chamber opera for four voices and three pianos, composed in 1996 by Philip Glass, to a French-language libretto by the composer, in collaboration with the American choreographer Susan Marshall, after Jean Cocteau's eponymous novel published in 1929 and Jean-Pierre Melville's 1950 film. Commissioned by the "Steps" dance festival organized by the Pour-cent culturel Migros in several Swiss cities, this is the last part of a trilogy in homage to the French poet after Orphée (1993) and La Belle et la Bête (1994). The world premiere of the work took place on 18 May 1996 in Zug conducted by Karen Kamensek.