PINK FLOYD Welcome To The Machine: The Inside Story (2008 UK 40th Anniversary Special Edition 2-disc DVD set featuring the definitive review of their music from the Syd Barrett era through to 'Pulse', containing an ultimate critical guide to their work in concert on record and on film, using rare performances from television and radio archives including a rare 1970 performance of 'Atom Heart Mother' on American TV, presented in a sealed card slipcase completewith a 136-page in-depth analysis written through the eyes of the band and critics)