 This short opens with  Judy Garland (I)  (qv) singing, and dancing to, the title song. A short history of movie music is presented, from silent films accompanied by a single piano, to the elaborate song scores for musicals (with scenes from MGM s musicals) and background music for dramas. Conductor/composer  Herbert Stothart  (qv) conducts the MGM studio orchestra recording the score for _Chocolate Soldier, The (1941)_ (qv).  Busby Berkeley  (qv) directs a rehearsal of the "Hoedown" number from _Babes on Broadway (1941)_ (qv). The film ends with  Risë Stevens  (qv) singing "America the Beautiful."