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 performing groups "support the culture of music and the drama. They are now accepted as useful training schools for the legitimate stage, and from the volunteer ranks have sprung many present-day favourites." Cellier and Bridgeman attributed the rise in quality and reputation of the amateur groups largely to "the popularity of, and infectious craze for performing, the Gilbert and Sullivan operas". The National Operatic and Dramatic Association (NODA) was founded in 1899. It reported, in 1914, that nearly 200 British troupes were performing Gilbert and Sullivan that year, constituting most of the amateur companies in the country (this figure included