Robert Bernard Sherman was an American songwriter, best known for his work in musical films with his brother, Richard M. Sherman. The Sherman brothers produced more motion picture song scores than any other songwriting team in film history. Some of their songs were incorporated into live action and animation musical films including Mary Poppins, The Happiest Millionaire, The The Sword in the Stone, The Jungle Book, The Many Adventures of Winnie the Pooh, Chitty Chitty Bang Bang, The Slipper and the Rose, and Charlotte's Web. Their best-known work is "It's a Small World " possibly the most-performed song in history.

Mary Poppins is a 1964 American musical fantasy comedy film directed by Robert Stevenson and produced by Walt Disney, with songs written and composed by the Sherman Brothers. The screenplay is by Bill Walsh and Don DaGradi, based on P. L. Travers's book series Mary Poppins. The film, which combines live-action and animation, stars Julie Andrews in her feature film debut as Mary Poppins, who visits a dysfunctional family in London and employs her unique brand of lifestyle to improve the family's dynamic. Dick Van Dyke, David Tomlinson, and Glynis Johns are featured in supporting roles. The film was shot entirely at the Walt Disney Studios in Burbank, California, using painted London background scenes.