The long and winding road
Airport authorities found a bag of grass concealed in a shirt in his suitcase and he worried he was facing a long stretch. He went unwashed for days. Finally in the tub, with other prisoners, he led a rousing rendition of Yellow Submarine and was released days later. He shrugged off the episode.
While a humorous image, the drugs bust shows how reckless McCartney could be with narcotics and his bandmates. It has been suggested McCartney orchestrated his arrest to get out of another tour with Wings.