Question: What member of the country-music stage concert in Nashville was born in Copeville, Texas?
Related documents: [0]  [DOC] Charlie Walker (November 2, 1926 – September 12, 2008)<ref name='cmt.com/1594705'> </ref> was an American country musician born in Copeville, Texas. He held membership in the Grand Ole Opry from 1967, and was inducted into the Country Radio DJ Hall of Fame in 1981. [END] 
[1]  [DOC] The Grand Ole Opry is a weekly country-music stage concert in Nashville, Tennessee, which was founded on November 28, 1925, by George D. Hay as a one-hour radio "barn dance" on WSM. Currently owned and operated by Opry Entertainment (a division of Ryman Hospitality Properties, Inc.), it is the longest-running radio broadcast in US history, albeit not the longest-running one on a radio network. Dedicated to honoring country music and its history, the Opry showcases a mix of famous singers and contemporary chart-toppers performing country, bluegrass, Americana, folk, gospel, and comedic performances and skits. It attracts hundreds of thousands of visitors from around the world and millions of radio and Internet listeners. [END] 
Answer: 
Charlie Walker
Charlie Walker