Super fast musicians "de Groot" and Billy Mayerl and Alvin D. Keech are shown in slow motion.
C/U of a violin being played by "de Groot". Then Billy Mayerl plays the piano. Alvin D. Keech plays the banjo. C/U of the banjo being played in slow motion. A fast fox-trot is played to demonstrate the "feather" stroke and a waltz to demonstrate the up-drag motion.