The title One Hand Clapping, taken from a Japanese kōan, tells you nearly everything you need to know about Paul ... McCartney was goofing around with an acoustic guitar in Abbey Road's backyard ...

P aul McCartney is ready to get back, again, with Saturday’s one-night-only screenings of the rarely-seen 1974 documentary “Paul McCartney & Wings: One Hand Clapping.” It will screen ...