1. A chromatic scale consists entirely ofA. quarter steps.B. tonal centers.C. wh

1. A chromatic scale consists entirely ofA. quarter steps.B. tonal centers.C. whole steps.D. half steps.2. Einstein on a Beach was a unique opera because itA. was written in Chinese.B. had no plot and very little singing.C. had a single violinist.D. was exclusively recitative.3. The hand-clapping at the beginning of the song Please Mr. Postman is known as theA. vamp.B. hook.C. shuffle groove.D. ostinato.4. The musician who ushered in the twentieth-century era of virtuosic rock guitar playing wasA. Chet Atkins.B. XXXXX XXXXX.C. Jimi Hendrix.D. Chuck Berry.