AC/DC list of members that were part of the band before 1975, see List of AC/DC band members. AC/DC AC/DC are an Australian rock band formed in Sydney in 1973 by brothers Malcolm and Angus Young. Their music has been described by music journalists as hard rock, blues rock, and, controversially, heavy metal; the group have defined themselves as "a rock and roll band, nothing more, nothing less". AC/DC underwent several line-up changes before releasing their first album, "High Voltage", in 1975. Membership subsequently stabilised until Cliff Williams replaced Mark Evans as bassist in 1977 for the album "Powerage". In February
George Young (rock musician) duo with Vanda in 1970, as Vanda & Young, initially living in London. They provided pop and rock songs for other recording artists, and for themselves under various stage names: Paintbox, Tramp, Eddie Avana, Moondance, Haffy's Whiskey Sour, and Band of Hope. The pair worked with Young's elder brother Alex in Grapefruit. Young and Vanda returned to Sydney in 1973 where they worked for Ted Albert, at his Albert Productions recording studio to become the in house producers. One studio-based group, Marcus Hook Roll Band, was joined in 1974 by Young's brothers, Malcolm and Angus. The brothers had already formed