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
There is an Ocean drums and bells. Sometimes the group use microphones, sometimes not. Donovan also sings "The Pee Song" with his three-year-old son. At the time of filming, none of the songs featured in "There is an Ocean" had appeared on any of Donovan's albums, with the exception of "Riki Tiki Tavi". Most other songs would appear on subsequent releases between 1971 and 2010. Studio recordings of the songs in the film appear on the following Donovan albums:<br> There is an Ocean There is an Ocean is a film documenting the Scottish songwriter Donovan during his time spent in Greece with his band