Gilbert and Sullivan and "Ruddigore", which were less successful than the seven other operas from "H.M.S. Pinafore" to "The Gondoliers", Sullivan asked to leave the partnership, saying that he found Gilbert's plots repetitive and that the operas were not artistically satisfying to him. While the two artists worked out their differences, Carte kept the Savoy open with revivals of their earlier works. On each occasion, after a few months' pause, Gilbert responded with a libretto that met Sullivan's objections, and the partnership was able to continue successfully. In April 1890, however, during the run of "The Gondoliers", Gilbert challenged Carte over the expenses
Gilbert and Sullivan group formed in 1901 in Philadelphia, continues to perform today. In 1948, "Life" magazine reported that about 5,000 performances of Gilbert and Sullivan operas were given annually in the US, exceeding the number of performances of Shakespeare plays. After the copyrights on the operas expired, other professional companies were free to perform and record the operas. Many performing companies arose to produce the works, such as Gilbert and Sullivan for All in Britain and Light Opera Works in the U.S., and existing companies, such as English National Opera, Carl Rosa Opera Company and Australian Opera, added Gilbert and Sullivan to