"We've been working heavily on it for a couple of months. It's early days," Martin tells Undercover News. "We are in the writing process. We've been meeting with Gaby, Mary, Irene and The Valentines crew, people like Vince Lovegrove, Bon's early friends". (Irene was Bon's former wife).

Casting is also being considered. Tom Budge (Three Dollars, Australian Rules, The Night We Called It A Day) is the front-runner for the part of Angus Young but Bon is still to be cast. "We have been considering casting and we are not going to contain this to Australia," he says. - more on this story

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