I was often admonished as a child to avoid writing parallel 5ths and octaves, a criticism I have obviously ignored. So your observation and positive comment in that regard is very much appreciated. I am glad that you want to include this piece in your liturgy. Many thanks, indeed.
This is a hauntingly beautiful piece. I like your use of parallel 5ths. I will schedule this as a prelude this summer (I am a church organist in Maryland).