 The beat is essentially a dance rhythm with an accentuated backbeat, which is almost always provided by a snare drum.Classic rock and roll is usually played with one or two electric guitars (one lead, one rhythm), a double bass (string bass) or after the mid-1950s an electric bass guitar, and a drum kit.Beyond just a musical style, rock and roll, as depicted in movies, in fan magazines, and on television, influenced lifestyles, fashion, attitudes, and language.