A Night at the Opera (film) DVD commentary. But this could not have occurred, because Sam Marx had died in 1933, during pre-production of "Duck Soup", two years before "A Night at the Opera" was released. The rumor arose because Frenchy had had such a cameo appearance in the Marx Brothers' earlier "Monkey Business". There is, however, a reference to the Marx Brothers' mother, Minnie Marx, during the stateroom scene, in which a woman asks, "Is my Aunt Minnie in here?" Part of the concept of casting the Marx Brothers as stowaways on a ship was recycled from "Monkey Business". As Groucho's and Margaret Dumont's characters
Music for Stowaways itself a developed version of the "Music for Stowaways" track "Groove Thang". As B.E.F.'s first 'minor project', "Music for Stowaways" was inspired by the Sony Walkman (at the time known in the UK as the Sony Stowaway). Fascinated with how the portable cassette player made users feel like what they described as film characters, they conceived "Music for Stowaways" as a "soundtrack for your life" designed specifically for play on the Sony Stowaway, and incorporated portable recording equipment into the album's production to maximise the effect. The album is instrumental and electronic, incorporating styles of synth-pop, ambient, funk, avant-garde and