Mary Poppins in 2004, Walt Disney first attempted to purchase the film rights to "Mary Poppins" from P. L. Travers as early as 1938, but was rebuffed because Travers did not believe a film version of her books would do justice to her creation and did not want an animated cartoon based on it. The books had been a favourite of Disney's daughters when they were children, and he finally succeeded in purchasing the rights in 1961, although Travers demanded and got script approval rights. The relationship between Travers and Disney is detailed in "Mary Poppins She Wrote", a biography of Travers,
Mary Poppins (film) indicated that more than 30 songs were written at various stages of the film's development. No cast recordings of any of these songs have been released to the public, only demos or later performances done by the songwriters — with the exception of the rooftop reprise of "Chim Chim Cher-ee" and the "smoke staircase yodel" mentioned below. The Compass Sequence, a precursor to "Jolly Holiday", was to be a multiple-song sequence. A number of possible musical components have been identified: "Mary Poppins" premiered on August 27, 1964, at Grauman's Chinese Theatre in Los Angeles. Travers was not extended an invitation