Watch HDToday. The process by which girls are chosen for chorus line members in movie musical is shown. Numbers from popular 1930s musicals are then presented. These include "Don't Say Goodnight" from Wonder Bar (1934); "Lullaby of Broadway" from Gold Diggers of 1935 (1935) ; "Shadow Waltz" from Gold Diggers of 1933 (1933); and "By a Waterfall" and "Shanghai Lil" from Footlight Parade (1933).