Francesco Landini, blinded by smallpox as a child, served as an organist for churches in what city?

The origins of the organ date back to

a. ancient Greece. b. ancient Egypt. c. the Romanesque period. d. early Christian period in Rome.

Frida Kahlo's many self-portraits show her face as ____

a. changeable b. emotionally sunny c. unemotional d. forever young