Which of the following is NOT an example of a non-verbal?

This excerpt was published in a 1941 collection edited by?

a) Alan and John Lomax b) Cole Porter and Jerome Kern c) George Balanchine and Martha Graham d) Merce Cunningham and Agnes de Mille

Which swing era bands usually preferred to use riff-based head arrangements?

a. New York dance bands b. the territory bands c. hot Dixieland groups d. sweet dance bands