Fill in the Blanks 299-testOnline version 299-test by Farhad Key 1 Toes add effective enhances cases Dance has played an important role in may musicals . In some dance numbers are included as an excuse to to the color and spectacle of the show , but dance is more when it forms an integral part of the plot . An early example is Richard Rodgers On Your ( 1936 ) in which the story about classical ballet meeting the world of jazz enabled dance to be introduced in a way that , rather than interrupts the drama .