Elvis may have fueled rock & roll's imagery, but Chuck Berry was its heartbeat and original mindset.
No one could match Howlin' Wolf for the singular ability to rock the house down to the foundation while simultaneously scaring its patrons out of its wits.
Of all the early breakthrough rock and roll artists, none is more important to the development of the music than Chuck Berry. He is its greatest songwriter, the main shaper of its instrumental voice, one of its greatest guitarists, and one of its greatest performers.