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 he overlays a straightforward blues with a clave rhythm." Longhair's particular style was known locally as "rumba-boogie". In his "Mardi Gras in New Orleans," the pianist employs the 2–3 clave onbeat/offbeat motif in a rumba boogie "guajeo". The syncopated, but straight subdivision feel of Cuban music (as opposed to swung subdivisions) took root in New Orleans R&B during this time. Alexander Stewart states that the popular feel was passed along from "New Orleans—through James Brown's music, to the popular music of the 1970s," adding: "The singular style of rhythm & blues that emerged from New Orleans in the years after