Celtic Connections review: Jimmie Macgregor at 90 Years Young, Oran Mor, Glasgow

There was nothing flippant about the title of this show. Singer, songwriter and broadcaster Jimmie Macgregor, who turns 90 on 10 March, remains a persuasive advert for the nourishing power of music with his ability to spin a yarn, deliver a punchline and hold an audience undiminished.