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 & Blues Singles" chart was renamed as "Best Selling Soul Singles". Before the "Rhythm and Blues" name was instated, various record companies had already begun replacing the term "race music" with "sepia series". Writer and producer Robert Palmer defined rhythm & blues as "a catchall term referring to any music that was made by and for black Americans". He has used the term "R&B" as a synonym for jump blues. However, AllMusic separates it from jump blues because of R&B's stronger gospel influences. Lawrence Cohn, author of "Nothing but the Blues", writes that "rhythm and blues" was an umbrella term