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 humour based on Gilbert and Sullivan's style and characters continues to be written. The overtures from the Gilbert and Sullivan operas remain popular, and there are many recordings of them. Most of them are structured as a "potpourri" of tunes from the operas. They are generally well-orchestrated, but not all of them were composed by Sullivan. However, even those delegated to his assistants were based on an outline he provided, and in many cases incorporated his suggestions or corrections. Sullivan invariably conducted them (as well as the entire operas) on opening night, and they were included in the published scores