This should've been here awhile ago. This is magic and I can't believe it's so unknown.
Backstory:
Walt Disney was trying to expand the brand and go "high-brow" in the 1940s, Fantasia among the projects reflecting this. But unknown for decades was the fact he collaborated with Salvador Dali in the mid '40s. Due to financial strain in the company as well as World War II, the project was dropped, although the material was saved. After Dali's death, the work was discovered and, well, apparently Disney as a studio saves everything.
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