Clifford "Cliff" Williams (born 14 December 1949) is an English musician who has been a member of the Australian hard rock band AC/DC as their bassist and backing vocalist since mid-1977. He had started his professional music career in 1967 and was previously in the British groups Home and Bandit. His first studio album with AC/DC was Powerage in 1978. The band, including Williams, was inducted into the American Rock and Roll Hall of Fame in 2003. Williams's playing style is noted for basic bass lines which follow the rhythm guitar. Williams's side projects, while a member of AC/DC, include benefit concerts and playing with Emir & Frozen Camels on their album San (2002) and a European tour.