songs recorded and performed by country artists

The unanimous Supreme Court decision in Campbell v. Acuff-Rose found that commercial use did not preclude a claim of fair use. It introduced the concept of "transformativeness," which has been relied on in 95% of all fair use cases since, and reduced the importance of market impact in fair use cases.

A good discussion of it, with links to the decision, is at the link below.

Roy Acuff went by King of Country Music.

Campbell Rose was born in 1964.

Jimmie Rodgers is known as the father of country music.