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
Trial by Jury Dark and Rowland Grey also give a high value to the importance of "Trial by Jury" and the operas that followed: "There is not a little historical interest in the genesis of the Gilbert and Sullivan operas, the one English contribution of any value to dramatic literature for many generations." In addition, references to the opera continue today in the popular media and even in law cases. "Trial by Jury" is the only Gilbert and Sullivan opera played in one act and the only theatrical work by W. S. Gilbert without spoken dialogue. However, later Gilbert and Sullivan operas retained