He fronted the Aussie giants for the first time in June 1980, just four months after the death of Bon Scott, and soon after recording his vocal tracks for the Back In Black album.

MusicNews reports Johnson saying: "The first thing I did, we did two songs, 'Bad Boy Boogie' and the other one," Johnson said in an interview. "I sang the same lyrics to both songs. I was so nervous, I sang the first song and then I sang the second one with the same words.

"I couldn't hear anything. I could see the audience going 'he must be Avant guard. He is singing anything he wants'. I finished it and thought 'oh God what have I done?' Malcolm looked at me and went 'what the f*** was that?"