AC/DC frontman Bon Scott led a high-voltage life. But his friends say the singer's unglamorous death at age 33 was not a surprise

Bon Scott and guitarist Angus Young put on a show for a crowd in Hollywood, California, in 1977. (Getty Images: Michael Ochs/File)

He's Australian rock music's most iconic figure.

After slogging it out through 15 years of touring, boozing and in-your-face performances, Bon Scott was on the cusp of international stardom with AC/DC.