Chopin's mazurkas and polonaises demonstrate the composer's nationalist sentiments towards which country?

_______ provides a foil to familiar musical material, providing variety, novelty, excitement, and even musical

conflict.

a. contrast b. dissonance c. variation d. consonance e. tremolo

A feature of the aria "Dido's Lament" is

a. its showy vocal part b. the ostinato in the lower instruments in the orchestra c. the imitation between the orchestra part and the soloist d. the bass part based on a phrase from Gregorian chant e. All of the above