Task: Explanation
Input (English): "That's All Right" is a song written and originally performed by blues singer Arthur Crudup. It is best known as the first single recorded and released by Elvis Presley. Presley's version was recorded on July 5, 1954, and released on July 19, 1954 with "Blue Moon of Kentucky" as the B-side. It is #113 on the 2010 "Rolling Stone" magazine list of the "500 Greatest Songs of All Time". Question: Bill Monroe's bluegrass song Blue Moon of Kentucky was released by Elvis Presley on the B-side of his first ever single. What was that song?  Answer: That's All Right
Output (English):  It is best known as the first single recorded and released by Elvis Presley.