AC/DC is an Australian
rock band formed in Sydney, New South Wales, Australia in December 1973 by Angus and Malcom Young. Their albums have sold in colossal numbers; the total is now estimated at well over 200 million copies worldwide, with the 1980 album
Back In Black selling over 21 million in the US alone and 40_ million worldwide, making it, according to statistics, the best selling album in the world ever to be released by a band.