Gilbert and Sullivan Gilbert and Sullivan Gilbert and Sullivan refers to the Victorian-era theatrical partnership of the dramatist W. S. Gilbert (1836–1911) and the composer Arthur Sullivan (1842–1900) and to the works they jointly created. The two men collaborated on fourteen comic operas between 1871 and 1896, of which "H.M.S. Pinafore", "The Pirates of Penzance" and "The Mikado" are among the best known. Gilbert, who wrote the libretti for these operas, created fanciful "topsy-turvy" worlds where each absurdity is taken to its logical conclusion—fairies rub elbows with British lords, flirting is a capital offence, gondoliers ascend to the monarchy, and pirates emerge as
International Gilbert and Sullivan Festival Production" (for performers under 21) and a "Bus Pass Opera" production (for performers over 60). A "Unifest" competition among university groups is presented simultaneously, as part of the Festival fringe. While the amateur productions compete during weeknights at the Festival, there are weekend professional performances given by companies such as the Carl Rosa Opera Company, Opera della Luna, the New York Gilbert and Sullivan Players, Charles Court Opera, and the Festival's self-produced National Gilbert & Sullivan Opera Company, which has starred such well-known G&S performers as Richard Suart, Simon Butteriss, Bruce Graham, Gillian Knight, Barry Clark, Michael Rayner, Patricia Leonard,