Harold and Fayard The Nicholas Brothers.
From vaudeville and nightclubs, Broadway and television, a career highlighted in motion pictures utilizing ballet, jazz and acrobatics with tap producing dazzling virtuosic routines referred to it as Classical Tap.
Harold (Left of your screen when they start) and his brother Fayard, in their famous scene from the movie Stormy Weather 1943, dancing to Jumpin’ Jive.
Fred Astaire once called this performance The greatest dance number ever filmed.