Bee Gees: Secrets behind the one band to ever come close to being 'bigger than The Beatles'

The Bee Gees and The Beatles are going head-to-head in a battle of the biopics, as RJ Gibb reveals a Spielberg-backed film about the Gibb brothers starts filming in September – just as Sam Mendes prepares four Beatles movies starring Paul Mescal and Barry Keoghan