He didn't invent rock 'n' roll, but he helped, mingling in his music black rhythm- -and-blues, white country, gospel, everything.

CNN: How and why Elvis has changed us all

He went through changes that ranged from imitating Nat Cole and Charles Brown to finding his own voice in jazz, gospel, rhythm and blues, rock 'n' roll, country, pop and soul.

WSJ: A Performance With Soul