Final answer:
The song 'Hound Dog' was written by Jerry Leiber and Mike Stoller and first recorded by Big Mama Thornton in 1952. Elvis Presley's version is the most well-known, but it was Thornton's original recording that introduced the song.
Step-by-step explanation:
The song 'Hound Dog' was originally written by Jerry Leiber and Mike Stoller. This classic rock and roll song was first recorded by Big Mama Thornton in 1952, several years before Elvis Presley's famous rendition. While Elvis's version became a massive hit, it was Thornton's powerful performance that first brought the song into the public sphere. Leiber and Stoller were a legendary songwriting and producing team who contributed greatly to the popular music of the 50s and 60s, writing for various artists and helping to shape the sound of the era.