I remember him playing with a heavy cold (he milked it to death with a fake bout of coming-the-old-soldier). He warned the people in the front row that he was going to be playing the greens....

Another time he broke a guitar string. He entrusted the repair to our mate Ian, who he'd known for years. In the meantime he played the whistle and bantered. When he got the guitar back from Ian he gazed down at it ruefully, saying "Tsk. Typical Ian. He's put the thickest string in the middle..."