Jon Lord (1941 - 2012) was an English composer, pianist, and Hammond organ player known for his pioneering work in fusing rock with classical or baroque forms, especially with 'Deep Purple', as well as 'Whitesnake', 'Paice', 'Ashton & Lord', 'The Artwoods', and 'The Flower Pot Men'. Jon Lord composed the 'Concerto for Group and Orchestra' in 1968 and it was first performed by 'Deep Purple' and 'The Royal Philharmonic Orchestra' conducted by Malcolm Arnold on 24 September 1969 and released on vin...