What is the binder used in tempera paint?

Hardcore group Bad Brains stood apart from other bands because

a. they sold out to a major label. b. the band members were Jesuit students. c. the band members were African-American. d. they were classically trained musicians.

In the 1970s, composer Walter Wolfe's music dealt with

A. political matters that interested him. B. synthesized sound patterns. C. jazz-like free improvisation. D. expanded techniques of serialism.