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
W. S. Gilbert his friend, Arthur Sullivan. The Bab Ballads and Gilbert's many early musical works gave him much practice as a lyricist even before his collaboration with Sullivan. Many of the plot elements of the German Reed Entertainments (as well as some from his earlier plays and Bab Ballads) would be reused by Gilbert later in the Gilbert and Sullivan operas. These elements include paintings coming to life ("Ages Ago", used again in "Ruddigore"), a deaf nursemaid binding a respectable man's son to a "pirate" instead of to a "pilot" by mistake ("Our Island Home", 1870, reused in "The Pirates of Penzance"),