That would change in 1955 In the early 1950s there was heavy competition among Memphis area bands playing an audience-savvy mix of covers, original songs, and hillbilly flavored blues.
One source mentions both local disc jockey Dewey Phillips and Sam Phillips as being influential. As long as you could play, say, the top eight or ten songs from country, pop, R&B.
Rockabilly is one of the earliest styles of rock and roll music, dating back to the early 1950s in the United States, especially the South.
As a genre it blends the sound of Western musical styles such as country with that of rhythm and blues, The term "rockabilly" itself is a portmanteau of "rock" (from "rock 'n' roll") and "hillbilly", the latter a reference to the country music (often called "hillbilly music" in the 1940s and 1950s) that contributed strongly to the style.
Some of the better known musicians who recorded and performed these songs are: the Delmore Brothers, the Maddox Brothers and Rose, Merle Travis, Hank Williams, Hank Snow, and Tennessee Ernie Ford.Every Saturday night in 1953, the dressing rooms backstage were a gathering place where musicians would come together and experiment with new sounds—mixing fast country, gospel, blues and boogie woogie.Guys were bringing in new "licks" that they had developed and were teaching them to other musicians and were learning new "licks" from yet other musicians backstage.Watching the dance floor at all times for a reaction, working out a more rhythmically driving style of music that was neither country nor blues, but had elements of both, Perkins kept reshaping these loosely structured songs until he had a completed composition, which would then be finally put to paper.Carl was already sending demos to New York record companies, who kept rejecting him, sometimes explaining that this strange new style of country with a pronounced rhythm fit no current commercial trend.