This is the definitive independent critical review of Deep Purple Mark II during the halcyon days of Gillan-Glover-Blackmore-Lord-Paice line up. Featuring rare archive material, much of it appearing on DVD for the first time, along with incisive commentary from a leading team of music critics and working musicians. Includes rare footage of performances of Concerto for Group and Orchestra, Mandrake Foot, Speed King, Child In Time, Fireball, Highway Star, Lazy, Smoke On The Water, Woman From Tokyo and many more. This project requires totally independent editorial control. This film is unauthorised and is not associated or approved in any way by present or past members of Deep Purple or the management of the group.