Gilbert and Sullivan the other's, and partly caused by the opposing personalities of the two—Gilbert was often confrontational and notoriously thin-skinned (though prone to acts of extraordinary kindness), while Sullivan eschewed conflict. In addition, Gilbert imbued his libretti with "topsy-turvy" situations in which the social order was turned upside down. After a time, these subjects were often at odds with Sullivan's desire for realism and emotional content. Also, Gilbert's political satire often poked fun at the wealthy and powerful whom Sullivan sought out for friendship and patronage. Gilbert and Sullivan disagreed several times over the choice of a subject. After both "Princess Ida"
Gilbert and Sullivan organist and composed numerous hymns, popular songs, and parlour ballads. Sullivan's first foray into comic opera was "Cox and Box" (1866), written with librettist F. C. Burnand for an informal gathering of friends. Public performance followed, with W. S. Gilbert (then writing dramatic criticism for the magazine "Fun") saying that Sullivan's score "is, in many places, of too high a class for the grotesquely absurd plot to which it is wedded." Nonetheless, it proved highly successful, and is still regularly performed today. Sullivan and Burnand's second opera, "The Contrabandista" (1867) was not as successful. In 1871, producer John Hollingshead brought