 What is he, maybe a Pentecostal? I don't know what his background is. I presume he's Protestant of some sort. But he went to a Catholic mass and he wants to tell you what he saw. So I went to a Catholic church this week and experienced Catholic service for the first time in my life. Five things to know before going to a Catholic service if you've never been to a Catholic service. Number one, the pastor, the priest, whomever conducts the service is one of the most talented individuals I've ever seen.