PHYSICAL GRAFITTI went 16 times platinum in the US, and is widely revered as Led Zeppelin's greatest album. Then the most popular rock band on the planet, with five top-selling albums already released, the Physical Graffiti double album bought Zeppelin unprecedented success, with Rolling Stone calling it “their Tommy, Beggar’s Banquet and Sgt. Pepper rolled into one”. With classic performances of songs including “Kashmir” and “Houses of the Holy”, as well as rare footage, photos, and interviews, this feature doco is a comprehensive exploration of a defining rock record.