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 Los Angeles and elsewhere in the 1920s and 1930s created a new market for jazz, blues, and related genres of music. These genres of music were often performed by full-time musicians, either working alone or in small groups. The precursors of rhythm and blues came from jazz and blues, which overlapped in the late-1920s and 1930s through the work of musicians such as the Harlem Hamfats, with their 1936 hit "Oh Red", as well as Lonnie Johnson, Leroy Carr, Cab Calloway, Count Basie, and T-Bone Walker. There was also increasing emphasis on the electric guitar as a lead instrument, as