Staged dramatic works in which the actors sing most or all of their parts, and other types of musico-dramatic works that have significant portions of spoken text and have historically been regarded as forming part of the operatic repertory
Music for theatrical productions consisting of musical numbers integrated into a dramatic framework. For music for theatrical productions from around the end of the 18th century that feature a series of songs, dances, and other entertainments without any unifying dramatic element see Revues