Hideaways, The (1973) - (Movie Clip) Shall We Ascend?
Connecticut brother and sister Jamie (Sally Prager, Johnny Doran), using their instrument cases as luggage, are running away out of boredom, but shes keeping their destination a secret, in The Hideaways (a.k.a. From The Mixed Up Files Of Mrs. Basil E. Frankweiler), 1973.