Watch Tyler Childers' surprise introduction of Robert Earl Keen at the Grand Ole Opry, where Keen made his Opry debut.

Tyler Childers introduced country legend Robert Earl Keen at Keen's first appearance at the Grand Ole Opry on March 12.

Just a few of the big names joining them include Gary Clark Jr. (April 28 in Houston), Joe Bonamassa (May 15 in Seattle), Tyler Childers (June 3 in Orlando), KALEO (June 11 in Philadelphia ...

Five decades into a storied career, Robert Earl Keen was introduced by Americana superstar Tyler Childers for his Grand Ole Opry debut.