How to Attend Tridentine Mass or Traditional Latin Mass A Tridentine Mass is the old form of the Catholic Mass, done entirely in Latin and with special practices, and is widely used in traditionalist circles for it's reverent and other-worldly attitude. Whether you're a Catholic interested in discovering their traditional faith or just a visitor, understanding this form of the Mass can help should you choose to attend one. 1. Find a Tridentine Mass near you. You can find a church that holds Trid