They once wrote three number one hits in a single afternoon. They were part of “one of the strangest, most complicated, most brilliant groups ever to achieve pop stardom. They rose from nothing in the backwater of Australia to conquer the music world as teenagers, then lost everything and did it all over again.” Now the last brother, Barry Gibb, looks back on the monster hits, the long-simmering feuds and the tragedy of life as a Bee Gee.