Question

1. the influence of the rumba can be seen in the songs of composers in which genre during the 1930s?

classic blues
hillbilly music
tin pan alley
jazz

1. what demographic did the american popular music industry primarily target for sales in the early - to mid - 20th century?

mid - westerners
the middle class
rural southerners
teenagers

Explanation:

1. For question 12: In the 1930s, jazz composers incorporated rumba (a Caribbean dance/music style) into their works, as the genre was open to blending global rhythmic influences. Other listed genres focused on more regional or traditional styles without this prominent rumba influence.
2. For question 13: In the early-to-mid 20th century, the American popular music industry centered its marketing and sales on middle-class consumers, who had the disposable income and demand for mainstream, polished popular music targeted at this demographic.

Answer:

1. D. Jazz
2. B. The middle class