Give the Gift of Music Can’t decide between Brahms and Beethoven? Hamilton Philharmonic Orchestra gift certificates are the perfect gift for the holidays, birthdays, anniversaries, or other special occasions. Gift certificates are available in any denomination and can be used to purchase tickets to HPO mainstage concerts at FirstOntario Concert Hall (formerly Hamilton Place). Gift certificates may be purchased in person at the HPO Box Office located 10 MacNab St. S., Monday to Friday 9:30AM to 4:30PM, or by phone at 905.526.7756. How to Redeem your HPO Gift Certificate Redeeming your gift certificate for an HPO concert is easy! You can redeem them for individual ticket(s) to the HPO’s mainstage concerts at FirstOntario Concert Hall (formerly Hamilton Place) by visiting the HPO Box Office (10 MacNab St. S) or by phone at 905.526.7756. The HPO Box Office is open Monday to Friday, 9:30Am to 4:30PM.