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
Gilbert and Sullivan put it. The "patter" baritone (or "principal comedian", as these roles later were called) would often assume the leading role in Gilbert and Sullivan's comic operas, and was usually allotted the speedy patter songs. After the success of "Trial by Jury", Gilbert and Sullivan were suddenly in demand to write more operas together. Over the next two years, Richard D'Oyly Carte and Carl Rosa were two of several theatrical managers who negotiated with the team but were unable to come to terms. Carte proposed a revival of "Thespis" for the 1875 Christmas season, which Gilbert and Sullivan would have revised,