Opens July 21 Classical music enthusiasts rejoice as world-renowned artists participate in the Toronto Summer Music Festival. Four weeks are crammed with concerts, master classes, workshops and free lectures. Grammy Award–winning violinist James Ehnes and pianist Jon Kimura Parker kick off the event at The Carlu (444 Yonge St., 416-597-1931). As the festival continues , you won’t want to miss Canada’s own Penderecki String Quartet as they expertly perform pieces by composer Christos Hastis on July 31. Various venues, $20 to $75; call 416-597-7840 for a complete lineup, or navigate here for tickets.