Intense interest in the reality of the dream state was shown by ________

The leading action painter of the twentieth century was

a. Rothko. b. Stella. c. Cage. d. Pollock.

What was the ultimate new chord of the twentieth century, one that could be

achieved on the piano by striking adjacent keys with the fist or forearm?

a. twelve-tone b. tone cluster c. seventh chord d. ninth chord e. eleventh chord