Rhythm and blues "Hearts of Stone" by the Charms made the top 20. At Chess Records in the spring of 1955, Bo Diddley's debut record "Bo Diddley"/"I'm a Man" climbed to number two on the R&B charts and popularized Bo Diddley's own original rhythm and blues clave-based vamp that would become a mainstay in rock and roll. At the urging of Leonard Chess at Chess Records, Chuck Berry had reworked a country fiddle tune with a long history, entitled "Ida Red". The resulting "Maybellene" was not only a number three hit on the R&B charts in 1955, but also reached into the top
Rhythm and blues as "urbane, rocking, jazz-based music with a heavy, insistent beat". Jordan's music, along with that of Big Joe Turner, Roy Brown, Billy Wright, and Wynonie Harris, is now also referred to as jump blues. Already Paul Gayten, Roy Brown, and others had had hits in the style now referred to as rhythm and blues. In 1948, Wynonie Harris' remake of Brown's 1947 recording "Good Rockin' Tonight" reached number two on the charts, following band leader Sonny Thompson's "Long Gone" at number one. In 1949, the term "Rhythm and Blues" replaced the Billboard category "Harlem Hit Parade". Also in that year,