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 in tone from that of African American artists, often with more emphasis on guitars and sometimes with greater energy. British rhythm and blues singers were criticised for their emulation of rhythm and blues vocal styles, with shouts, glottal stops, moans and cries. However, vocalists such as Van Morrison, Mick Jagger, Eric Burdon and Steve Winwood did not attempt to emulate a particular singer and were seen by critics as able to sing the blues convincingly and with some power. In cover versions of R&B songs, riffs were often simplified or used less frequently. The object of the music was usually