What differences are there between Impressionistic and Expressionistic music?

1. What differences are there between Impressionistic and Expressionistic music? 2. Describe some of the “non-musical” sounds used in musical composition. How was this technique received by music connoisseurs of the Contemporary time period? 3. Who was the pioneer of 12-tone music and what was the philosophy behind this compositional style? 4&5. Choose two of the following composers and answer the question below (you will need to search the Internet for evidence) How widespread is the success of this composer? Do performers/artists still perform his/her compositions? William Grant Still Ellen Taaffe Zwilich Philip Glass Bernard Hermann 6. What are the differences or similarities between Jazz and Blues? (use at least 2 reputable forms of evidence outside of the coursebook