There are a lot of country music singers that are just great. Some of them are so popular that they will be approached by people no matter where they go. The first country singer who earned 10 million copies has to be Garth Brooks. He has also received seven diamond awards for all of his 7 albums. The 10 million album sales are not for just one album but for all of his albums.
It is safe to say that he is one of the most popular country singers of all time. There are a lot of country music singers who have managed to make it big in the industry after that but Brooks will never be forgotten because he was the first.