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
British rhythm and blues lived proto-supergroup Steampacket in 1965. Baldry moved on to front Bluesology, which had originally been formed as an R&B band in 1962 by teenage keyboardist Reggie Dwight, later better known as Elton John. Baldry enjoyed his greatest success with pop ballads, beginning with "Let the Heartaches Begin" (1967), which reached number one in Britain, but, despite supporting the Beatles and the Rolling Stones, he remained virtually unknown outside of the UK. After Steampacket dissolved in 1966, Rod Stewart joined blues-rock combo Shotgun Express and then The Jeff Beck Group, and when that broke up in 1969 he moved on to