Another deep pool of talent worth diving into is the music made before the era you grew up in, and have yet to hear. There was a lot being made in the 40's and 50's, a time before most here were alive (or at least listening to music).
Louis Jordan was making Jump Blues in the 40's, as was Big Joe Turner. Both were a big influence on the first generation of Rock 'n' Rollers (Turner recorded "Shake Rattle And Roll" before Bill Haley, and I much prefer his version). The other side of that coin was the Hillbilly music all the Sun Records artists were listening to on The Grand Old Opry and the radio stations broadcasting the music throughout the south in the 1940's and 50's, where Elvis, Jerry Lee Lewis, Carl Perkins, Johnny Burnette, and the other Memphis white boys heard the music they mixed in with the Jump Blues they heard in local juke joints to create Rockabilly.
If you've heard "Train Kept A-Rollin" only by Aerosmith, wait 'til you hear it by The Rock 'n' Roll Trio (Johnny Burnette, his Brother Dorsey, and guitarist Paul Burlinson---a hero to and huge influence on Jeff Beck)!