If you're a fan of live theater performances, catch a play at St. Denis Theatre. Look online for times and prices.
You're spoiled for sightseeing choice when visiting Ville-Marie. St. Denis Theatre is a good place to kick off here, but there are numerous other worthwhile spots to enjoy. Notre Dame Basilica, Saint Joseph's Oratory, and Bell Centre are near the arts and culture attraction and will fill in your day nicely.