Boy are the Nicholas Brothers young here. The song is called 'Lucky Number' but the clip, though it purports to be from 1936, must be older than that. From the style of the arrangement and the childlike appearance of both Fayard and Harold this strikes me as a solid ten years older to the previously posted 'Jumping Jive' clip (which we know for certain dates from 1943). No matter. These guys were already exactly who they were to become, minus some of the more outlandish splits and splats and swoops that they reveled in later.