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
Derby Gilbert & Sullivan Company conducted by Richard Balcombe, with impressionist Alistair McGowan who also appeared in Derby as the Mikado for Derby Gilbert & Sullivan in 2011. Derby Gilbert & Sullivan Company Derby Gilbert & Sullivan Company, based in Derby, England, produces the works of Gilbert & Sullivan. The company have won the amateur competition at the International Gilbert and Sullivan Festival an unprecedented six times and have been called "one of the most highly acclaimed nonprofessional theatre companies in the UK". Members of the company have earned many individual awards from that festival, and the company have won awards from the Waterford International