Nicholas Brothers and Cab Calloway performing to "Jumpin Jive" from the musical "Stormy Weather ", 1943, 20th Century Fox.

If you believe that Salsa dancing is just about steps and patterns and latin music, then you'll never get this. Move on.

If you understand that dance is also about movement and rhythm and staying on the beat, then enjoy the greatest tap sequence ever filmed (according to Fred Astaire).