Gilbert and Sullivan of these recordings have been reissued on CD. After the company was revived in 1988, it recorded seven of the operas. After the copyrights on the operas expired, numerous companies around the world released popular audio and video recordings of the operas. In 1966 and again in the 1980s, BBC Radio presented complete cycles of the thirteen extant Gilbert and Sullivan operas, with dialogue. Ad hoc casts of operatic singers conducted by Sir Malcolm Sargent in the 1950s and 60s and Sir Charles Mackerras in the 1990s have made audio sets of several Savoy operas, and in the 1980s Alexander
Cultural influence of Gilbert and Sullivan general. Professor Carolyn Williams notes: "The influence of Gilbert and Sullivan – their wit and sense of irony, the send ups of politics and contemporary culture – goes beyond musical theater to comedy in general. Allusions to their work have made their way into our own popular culture". According to Gilbert and Sullivan expert and enthusiast Ian Bradley: Cellier and Bridgeman wrote, in 1914, that prior to the creation of the Savoy operas, amateur actors were treated with contempt by professionals. After the formation of amateur Gilbert and Sullivan troupes in the 1880s licensed to perform the operas, professionals recognised