TORONTO, ON.- A new exhibition at the Art Gallery of Ontario traces the history of Canada’s changing industrial landscape through the lens of some of the country’s most extraordinary photographers from the past 150 years. Songs of the Future: Canadian Industrial Photographs, 1858 to Today opens August 20 and includes more than 100 photographs by such artists as Alexander Henderson, William Notman, John Vanderpant, E. Haanel Cassidy, Ralph Greenhill, George Hunter and Edward Burtynsky. Depicting railway and bridge building, quarries and mines, and the lumber, pulp and paper, and concrete industries in Canada, Songs of the Future traces the shifting perspectives on industry and the Canadian landscape from the Industrial