The Bee Gees never had it easy. Every glorious triumph was almost inevitably followed by some kind of career setback, not least at the end of the Seventies when the Saturday Night Fever heroes were hit by an anti-disco campaign sweeping across the States.

Yet each time they bounced back, stronger than ever.

This past year it is on a more personal level where Barry Gibb has faced his demons. His younger brother Robin was taken from him early last ...