Tolong jelaskan mengenai What's Opera, Doc?

What's Opera, Doc? adalah sebuah film pendek musikal komedi kartun animasi Amerika 1957 dalam serial Merrie Melodies, garapan Chuck Jones untuk Warner Bros. Cartoons. Cerita Michael Maltese tersebut menampilkan Elmer Fudd memergoki Bugs Bunny melalui sebuah parodi dari opera-opera karya komponis klasik abad ke-19 Richard Wagner, terutama Der Ring des Nibelungen (Cincin Nibelung), Der Fliegende Holländer, dan Tannhäuser.

Beck, Jerry and Friedwald, Will (1989): Looney Tunes and Merrie Melodies: A Complete Illustrated Guide to the Warner Bros. Cartoons. Henry Holt and Company.

Richard Freedman, What's Opera, Doc? , Andante Magazine, March 2002

Goldmark, Daniel (2005): "What's Opera, Doc? and Cartoon Opera", in Tunes for 'Toons: Music and the Hollywood Cartoon, University of California Press.

Thomas, Todd and Barbara, WHAT'S OPERA, DOC? – An analysis of the various Richard Wagner operas used throughout the cartoon