Deep Purple is one of the most influential and important guitar bands in history, one of the godfathers of the heavy metal genre, with over 100 million album sales worldwide to their name. To celebrate the 40th anniversary of Deep Purple's groundbreaking double live album Made in Japan, this documentary explores these recordings and Deep Purple Mark 2, the line-up between 1969 and 1973.

Ian Gillan
as Himself

Roger Glover
as Himself

Ritchie Blackmore
as Himself

Jon Lord
as Himself

Ian Paice
as Himself

Glenn Hughes
as Himself

Martin Birch
as Himself

Michael Bradford
as Himself

James Hetfield
as Himself

Lars Ulrich
as Himself