Earlier this year, Walt Disney Pictures scored a runaway hit with its unlikely reinvention of one of the studio’s most frightening villains as an unlikely heroine. Maleficent enchanted audiences to the tune of a $234 million-plus gross with its retelling of the fairy tale Disney first dramatized in 1959’s Sleeping Beauty. A highlight of the 2014 film’s soundtrack was Lana Del Rey’s haunting rendition of “Once Upon a Dream,” penned for Sleeping Beauty by tunesmiths Sammy Fain and Jack Lawrence (with a little help from Pyotr Ilyich Tchaikovsky). Come October 7, Mary…