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 black people, and his "Smokie, Part 2" (1959) rose to the number one position on black music charts. He was once told that "a lot of those stations still think you're a black group because the sound feels funky and black." Hi Records did not feature pictures of the Combo on early records. Sam Cooke's number five hit "Chain Gang" is indicative of R&B in 1960, as is pop rocker Chubby Checker's number five hit "The Twist". By the early 1960s, the music industry category previously known as rhythm and blues was being called soul music, and similar music by