Bruce Douglas Cockburn OC (/ˈkoʊbərn/; born May 27, 1945) is a Canadian guitarist and singer-songwriter whose career spans over 40 years. His song styles range from folk to jazz-influenced rock and his lyrics cover a broad range of topics that reveal a passion for human rights, politics and spirituality.In 2014, he released his memoirs, Rumours of Glory: A Memoir.