Are Acis and Galatea by Handel, and Mussorgsky's Boris Godunov, both operatic works?
Boris Godunov (opera): Boris Godunov (Russian: Борис Годунов , "Borís Godunóv") is an opera by Modest Mussorgsky (1839–1881). Boris Godunov (opera):  It is Mussorgsky's only completed opera and is considered his masterpiece.
i don't know