Behind the scenes of Dumbo, Disney artists like Jimmy MacDonald recorded sounds using manual Foley techniques, performing various effects live to the animation using everyday objects and custom props. The unique, mechanical-sounding "all aboard" phrase from the Casey Jr. train was a pioneering use of an early device called the Sonovox, which modulated a whistle sound with a human voice actor's mouth movements. Credit: Disney | History In Pictures

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We've got a flying elephant, what more fun can we have!? Watch our brand new behind the scenes clip for Disney's Dumbo now. Flying into UK cinemas, 29 March 2019. | Walt Disney Studios