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 Stones, the Who and the Animals were referred to and promoted as being R&B bands; posters for the Who's residency at the Marquee Club in 1964 contained the slogan, "Maximum R&B". Their mix of rock and roll and R&B is now known as "British rhythm and blues". By the 1970s, the term "rhythm and blues" changed again and was used as a blanket term for soul and funk. In the 1980s, a newer style of R&B developed, becoming known as "contemporary R&B". It combines elements of rhythm and blues, pop, soul, funk, hip hop, and electronic music. Popular R&B vocalists