Wish You Were Here (Pink Floyd album) album closes with a reprise of "Shine On" and further instrumental excursions. "I had some criticisms of "Dark Side of the Moon"…" noted David Gilmour. "One or two of the vehicles carrying the ideas were not as strong as the ideas that they carried. I thought we should try and work harder on marrying the idea and the vehicle that carried it, so that they both had an equal magic… It's something I was personally pushing when we made "Wish You Were Here"." Alan Parsons, EMI staff engineer for Pink Floyd's previous studio album, "The Dark Side of the Moon",
Wish You Were Here (Pink Floyd album) his place, but declined, and eventually colleague and friend Roy Harper was asked to stand in. Harper was recording his own album in another of Abbey Road's studios, and Gilmour had already performed some guitar licks for him. Waters later regretted the decision, believing he should have performed the song. The Blackberries recorded backing vocals for "Shine On You Crazy Diamond". The band played much of "Wish You Were Here" on 5 July 1975 at the Knebworth music festival. Roy Harper, performing at the same event, on discovering that his stage costume was missing, proceeded to destroy one of Pink