Critic Vincent Canby describes the difficulty of applying which critical approach to the films of Alfred Hitchcock?

The fourth movement of Tchaikovsky’s Fourth Symphony features

a. much contrast between the first and second themes b. a quotation from the introduction to the first movement c. a fiery first theme d. a Russian folk as the second theme e. All of these choices

Thematic development is a technique where composers generate musical material by varying the melody, rhythm or harmony of the musical themes in a work.

a. true b. false