AC/DC Australian heavy metal band. Formed in Sydney in 1973 by the brothers Angus Young ( b Glasgow, Scotland, 31 March 1955; guitar) and Malcolm Young ( b Glasgow, Scotland, 6 Jan 1953; d Elizabeth Bay, Australia, 18 Nov 2017; guitar), its best-known line-up stabilized in 1975 with Mark Evans ( b Melbourne, 2 March 1956; bass), Phil Rudd ( b Melbourne, 19 May 1954; drums), and Bon Scott (Ron Belford Scott; b Kirriemuir, Scotland, 9 July 1946; d East Dulwich, London, 19 Feb 1980; vocals). Cliff Williams ( b 14 Dec 1949 ) replaced Evans.
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