Did you know? Elvis Presley’s very first single on Sun Records featured a double shot of history: “That’s All Right” on one side, and his rockabilly take on Bill Monroe’s “Blue Moon of Kentucky” on the other. Elvis transformed Monroe’s bluegrass waltz into an upbeat, driving anthem. Pretty cool way to ignite the rock ’n’ roll revolution right here at Sun! We love when y'all drop your Elvis knowledge in the comments. What's a favorite Elvis memory of yours? We'd love to hear. 😎 Stream "That's Al