(Audio excerpt of John Farnham's You're the Voice: "You're the Voice try and understand it, make a noise and make it clear!") An unofficial Australian anthem. Now, it's the soundtrack for a Yes ...

Australian singer John Farnham, best known for his 1986 hit You're The Voice, is having surgery after being diagnosed with cancer. On Tuesday, the 73-year-old's family revealed they had "recently ...

He's not sure if he'll ever sing again but, as his wife Jill writes in the book, he "still has life to live". The Voice Inside is probably the closest look into John Farnham's life we'll ever get.