Peter Clack January 1975 when he was sacked along with Bailey, Clack's permanent replacement was Phil Rudd. Prior to joining AC/DC, Clack had played with Bailey in Flake. As of November 2011 he played with Melbourne-based band Raw Sylke. He is now a drum teacher. Peter Clack Peter Clack is an Australian drummer – for ten months he was an early member of hard rock band AC/DC. In April 1974 he joined Malcolm Young (rhythm guitar), Angus Young (lead guitar), Dave Evans (lead vocals) and Rob Bailey (bass guitar). He appears in early video footage of AC/DC, the "Last Picture Show Theatre"
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