The musical texture involving two or more simultaneously sounding lines is

What is the subject matter of Shirin Neshat's Rebellious Silence?

a) It depicts a Muslim woman in a black chador, a rifle dividing, and Farsi text inscribed over her face, showing her as liberated and equal to men. b) It depicts the prominent place of women within every aspect of Iranian culture. c) It is depicts a Muslim woman in Western dress to show her as rebellious. d) It reflects the artist's comfort with the roles of women in Iranian society.

An opera includes which of the following two vocal forms?

a) recitative and arias b) concerto and choruses c) counterpoint and fugues d) oratorio and duets