our guest this morning is father mark mazza who is pastor at star of the sea parish in san francisco and gary street. >> thank you for inviting me. >> father is going to tell us about the traditional latin mass today when is also known as extraordinary of the roman right and the trinity mass. let's start by giving our viewers an idea of what the latin mass is and a little of the history. >> for most of the history of the church, the mass was celebrated in latin after the early centuries was and then greek. and what latin became the dominant language of the western world, then the scriptures were transcribed into lasttown and that was used exclusively till 1964 in the language of the mass. and then the right, of course, developed over the many centuries beginning with the last supper, of course. and then the church became recognized and the church developed more and more and it developed into what we know as the latin right. at the time of the -- it put together the definitive form of latin mass. and that was used to 1950s and then that the second vatican counsel. and there was a refo