George Young (rock musician) a hard rock group, AC/DC, in 1973. Young helped them with AC/DC, which went on to become a success internationally. He declared to his brothers "that he didn't believe a band can ever call itself a band until it's done at least "200" gigs". With Vanda he co-produced AC/DC's early albums, "High Voltage" (1975), "T.N.T." (1975), "High Voltage" (1976), "Dirty Deeds Done Dirt Cheap" (1976), "Let There Be Rock" (1977) and "Powerage" (1978). Young briefly played as AC/DC's bass guitarist for a short stint, early in their career. He produced AC/DC's 2000 album, "Stiff Upper Lip". Malcolm was replaced in
Malcolm Young band. Stevie Young continued to fill in for Malcolm on the band's 2015 Rock or Bust World Tour. On 26 September 2014, "The Sydney Morning Herald" reported that Young had been diagnosed with dementia and had been admitted to a nursing home where he could receive full-time care. A source close to Young was quoted in this article as saying that he had "complete loss of short-term memory". Young's family confirmed four days later that he had dementia, saying that Young "is suffering from dementia and the family thanks you for respecting their privacy". In subsequent interviews, Angus stated that