From the advertising posters used to promote the 1929 film The Broadway Melody – Hollywood’s first all-talking musical (as opposed to partially talking, partially silent) – which proclaimed the film to be “All Talking All Singing All Dancing” – see film poster.[1] In full, the poster reads:
METRO-GOLDWYN-MAYER’S
ALL TALKING ALL SINGING ALL DANCING
PICTURE
THE BROADWAY MELODY