Twain parlayed her movie-star looks into becoming one of the most popular female vocalists of the video age -– a la such clips as “Any Man of Mine” and “I’m Gonna Getcha Good.” It also helped that (along with former husband/producer Mutt Lange) she created some of the most intriguing music of the time period, along with some mind-bending arrangements that fused country with rock as seamlessly as anyone had ever done.
Quite possibly, no artist on this list manages to have the universal appeal of Willie Nelson. The legendary figure has been able to make believable his recordings of compositions from Lefty Frizzell, Irving Berlin and Paul Simon -– and sound authentic on each one. He qualifies as the ultimate curveball. You never know what to expect from him, only that it will find favor with the public.
By the end of World War II, "mountaineer" string band music known as bluegrass had emerged when Bill Monroe joined with Lester Flatt and Earl Scruggs, introduced by Roy Acuff at the Grand Ole Opry. That was the ordination of bluegrass music and how Bill Monroe became to be known as the "Father of Country Music." Gospel music, too, remained a popular component of bluegrass and other sorts of country music. Red Foley, the biggest country star following World War II, had one of the first million-selling gospel hits ("Peace in the Valley") and also sang boogie, blues and rockabilly. In the post-war period, country music was called "folk" in the trades, and "hillbilly" within the industry. In 1944, The Billboard replaced the term "hillbilly" with "folk songs and blues," and switched to "country" or "country and Western" in 1949. https://www.youtube.com/watch?v=hyNAvdnZ5Ec