Let There Be Rock (song) in July 1977 (see 1977 in music). It was recorded in the Kirk Gallery church in Surry Hills, New South Wales and featured Bon Scott, Angus Young, Malcolm Young, Phil Rudd, and Cliff Williams, who replaced Mark Evans as the band's bassist shortly after the "Let There Be Rock" album was released. This marked one of Williams' first public appearances with AC/DC. Scott was dressed as a priest and the rest of the band as altar boys, with Angus Young wearing a halo prop on his head. Towards the end of the video it shows Angus, and the rest of
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