-- See Musicals Here is entered music for theatrical productions, principally of 20th century American or British origin, consisting of musical numbers (songs, ensembles, and dances) integrated into a dramatic framework. Music for theatrical productions featuring a series of songs, dances, and other entertainments without any unifying dramatic element is entered under Revues.
2
-- See Operas Here are entered musical works composed in this form. Works about opera are entered under the heading Opera.