T.N.T." is a song recorded in 1975 by the hard rock band AC/DC from their Australian album T.N.T. and the international version of High Voltage. The song was written by Bon Scott, Angus Young and Malcolm Young. This song later appeared on Live and Live: 2 CD Collector's Edition, with Brian Johnson providing vocals. It was one of their earliest hits, describing how volitaile Scott himself was.