How, using only sound, do you 'reflect the economic and cultural dissonance to be found in an area currently in the throes of a major urban metamorphosis'? Not, as the creators of The Dark Hours (an exhibit at last night's Torontonian Nuit Blanche) disappointingly attempted - with a fifteen-min, absurdly abstract bass drone that eliminated all Parkdale's identity, its historic socio-political specificity.
If you are interested in a politically engaged artistic response to urban gentrification you should check out Laura Oldfield Ford's growing body of extrordinary work.