Sage advice, above.
I had played in a rather large RC parish here some years ago, and although music was a very important and integral part of each Mass, I found that simpler music for preludes and postludes was received better. Bear in mind that those attending Mass wish to meditate before the service. Of course, on special festival Sundays, I would get more "adventuresome" with my musical offerings.
Eventually, you will, as pointed out above, have a special working relationship with the priest(s). Where I had played, there were no less than 6 or 7 different Priests who would be saying Mass ... each with their own idiosyncrasies on how the Mass was to flow. I always loved it when Fr McCarthy's was the celebrant ... in and out the door in 50 minutes flat, no matter what. Shortest homily in the west
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I was scared stiff playing my first RC Mass ... then came Holy Week ... holy cow
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