" As the wildly favorable word of mouth spread, however, the box office receipts began to soar. First, fans of musicals came. Then the ever-growing cadre of Julie Andrews devotees. Finally, those longing for a happy ending—anywhere—began to turn out in droves. At which point the oddest thing of all happened: all these fans of the movie returned to see it again. And then once more. And then once again—until the phenomenon eventually resulted in a record-setting first release run of over four and a half years. "

― Tom Santopietro , The Sound of Music Story: How A Beguiling Young Novice, A Handsome Austrian Captain, and Ten Singing von Trapp Children Inspired the Most Beloved Film of All Time