One Of The Most Popular Family Films Of All Time. Every Song Is A Classic, Every Moment Is A Masterpiece! Share the magical, heartwarming true-life story that has become the most popular family film of all time - Rodgers and Hammerstein's The Sound of Music. Julie Andrews lights up the screen as Maria, the spirited young woman who leaves the convent to become governess to the seven children of Captain von Trapp, an autocratic widower whose strict household rules leave no room for music or entertainment.