John Collins has 2 Leonard Cohen concerts.

Leonard Norman Cohen CC GOQ (September 21, 1934 – November 7, 2016) was a Canadian songwriter poet, singer, and novelist. His work explored religion, politics, isolation, sexuality, and romantic relationships. Cohen was inducted into the Canadian Music Hall of Fame, the Canadian Songwriters Hall of Fame, and the Rock and Roll Hall of Fame. He was invested as a Companion of the Order of Canada, the nation's highest civilian honour. In 2011, Cohen received one of the Prince of Asturias Awards for literature and the ninth Glenn Gould Prize.