It's called �Plus Tubular Bells and features interviews with Oldfield, his colleagues and family as they discuss the creation and aftermath of the prog masterwork that has gone on to sell 16 million copies since its 1973 release.

Oldfield says in the film: "It's like yesterday � it doesn't feel like a long time ago at all. Right after I'd finished it I didn't want to know about it, because it was such a big thing and I'd got it out of my system.