Photo of Tony Dekker by Trinh Nguyen This week the Music Gallery, Carl Wilson, and a handful of musicians/composers want you to celebrate concrete. Paying homage to the iconic concrete architecture that sprout in Toronto between 1950 and 1970 (and to Michael McClelland and Graeme Stewart's book Concrete Toronto), such musicians as Tony Dekker (Great Lake Swimmers), Sandro Perri (Polmo Polpo, Glissandro 70, ex-Great Lake Swimmer), and Knurl (noise artist Alan Bloor) will perform......