ambition. Accompanied by guitarist Scotty Moore and bassist Bill Black , Presley was one of the originators of rockabilly , an uptempo, backbeat-driven fusion of country and rhythm and blues . See Also: EJ-Series PR-Series Contents 1 Models 1.1 Elvis Presley EJ-200E 1.2 Elvis Presley EJ-200 1.3 Elvis Presley EJ-200CE 1.4