Hercules, the great warrior and the history behind the saying “an elephant never forgets” are both examples of what type artistic inspiration

Amplitude is: a. the number of waves in a certain amount of time. b. the distance between the top or bottom of a wave and the center of the wave. c. the noise floor acceptable in recording. d. the distance between two identical points on a wave.

The byzantine style introduced what what into the history of art ?

What is the term for a recurrent musical section between various contrasting sections? a. concerto grosso b. basso ostinato c. fugue d. ritornello