T.N.T. (song) T.N.T. (song) "T.N.T." is a song released in 1975 by the hard rock band AC/DC, taken from their Australian album "T.N.T." and the international version of "High Voltage". It was released as a single in 1976 and was written by Bon Scott, Angus Young and Malcolm Young. It peaked at No.11 on the Australian Kent Music Report Singles Chart. A slightly modified line from the song, "Lock up your daughters", was used as the title of AC/DC's first headlining tour of Great Britain in 1976 after the band's move from Melbourne, Australia, to London, earlier that year. "T.N.T." later appeared
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