Officially, Elvis Presley is listed as a co-writer on a number of songs from the early part of his career. But it's a bit more complicated than that.

Often referred to as the King of Rock and Roll, Elvis Presley challenged expectations of the 1950s, transforming the musical landscape to such a degree that his impact is still being felt to this day.

Forbes contributors publish independent expert analyses and insights. Pam Windsor lives in Nashville, Tennessee and writes about music. Nearly 50 years after his death, Elvis Presley is still the King ...

The Beatles and Elvis Presley stand as titanic figures in the panorama of 20th-century music. Their records sold by the millions, and they forever altered the landscape of music with pioneering studio ...