The film features Peter Gabriel, Phil Collins, Tony Banks, Mike Rutherford and Steve Hackett speaking together about the band's history, alongside unseen archive material. It's to be broadcast on BBC2 on October 4 at 9.15pm.

The broadcaster says it was essential to include him because of the "significant role" he played - having discovered Genesis, given them their name and produced their early works. They say he wasn't paid for his appearance.