Cyril and Libbye Hellier returned to the stage for the title roles of Humperdinck's "Hänsel und Gretel", for The New Opera Theatre, New Orleans. In the 1988-89 season, they alternated as Bastienne in the child Mozart's "Bastien und Bastienne" for the same ensemble. In the final season of The New Opera Theatre, they appeared in a Benefit Concert also featuring Natalia Rom. In April 1991, the Helliers were soloists in Part III of Handel's "Messiah" (in the Foundling Hospital Anthem version), at St Francis de Sales Cathedral, Houma. In October 1992, the sopranos made their New York debuts, as Kindred (Cyril) and Cousin (Libbye)
Italian opera well as including self-referential ideas. Goldoni and Galuppi's most famous work together is probably "Il filosofo di campagna" (1754). The collaboration between Goldoni and another famous composer Niccolò Piccinni produced another new genre: opera semiseria. This had two "buffo" characters, two nobles and two "in between" characters. The one-act farsa had a significant influence on the development of comic opera. This was a type of musical drama initially considered as a condensed version of a longer comic opera, but over time it became a genre in its own right. It was characterised by: vocal virtuosity; a more refined use of