The 20 biggest country crossover artists

Once a musical niche, country music is officially mainstream. A 2018 analysis found that country is the favorite music genre for more than a fifth of the country, and not surprisingly, that's produced a wide range of artists who have found success in country music before crossing over to the mainstream. 

Flip through the gallery below for a look at the 20 biggest crossover successes in country music history, from legends like Glen Campbell and Dolly Parton to (relative) newcomers Maren Morris and Kacey Musgraves.