Tickets can be purchased at the door but will probably be overpriced. Your best bet is to try and purchase advanced tickets for $30 if they are still available. They can be purchased at the following outlets:
Urban Bakery : 398 Portage Ave
Urban Boutique : 109 Osborne St
Shopgirl : 400 Academy Rd
Phat : Polo Park
Gizmos : St Vital and Kildonan Place
Or online at ticketmaster.