For his mysterious Las Meninas, or the __________, Diego Velázquez dissolved his forms into small, roughly textured brushstrokes that would be the hallmark of __________ two centuries later

What was known as "The Devil's instrument?"

a. The guitar b. The violin c. The saxophone d. The mandolin

In addition to commercial recording companies, which of the following had the greatest impact on the development of country music proper from its folk tradition roots?

A. Depression years B. World War II C. rural to urban migration D. radio broadcasting