I have had problems with my inner net connection off and on the past two weeks. I am back up. It was frustrating with Charter.
During Lent St. John's and St. Matthew's Passions are common. There are a lot of good choral pieces around Easter and the Lenten season.
When we think of Tchaikovsky and Rachmaninoff we do not think that much of choral or religion music. I am Greek Orthodox and The above two were Russian Orthodox the same religion and tradition. Rachmaninoff wrote a setting of the Vespers (Opus #37) and the Devine Liturgy (Opus #31). So did Tchaikovsky (Opuses # 52 and 41). The works of the Rachmaninoff are more popular.
Beethoven, Brahms, Mendelssohn, Mozart, Saint- Saens and Vaughan-Williams also wrote a fair amount of choral music of both secular and a religious nature
There are a lot of contemporary composers of choral music such as John Rutter and Morton Lauridsen. Rutter is English and Lauridsen is American. Their works are common during the Christmas season.
some of Mahler's music is written for chorus. His Second, Third, Fourth and Eighth Symphonies have parts for chorus and soloists in them. I am not in to Mahler's music. Much of it is depressing. He wrote several song cycles which are interesting.
I have looked up Morton Lauridsen on You Tube. I have found a good video of one of his songs "This Shining Night" mortenlauridsen.net. Check it out!
Mendelssohn wrote a large number of choral music including three oratorios, the Christmas carol "Hark the Harold" and the Second Symphony "Lobesgang" which has a choral section of Protestant hymns.
The Episcopal church in the United States which is the American branch or the Anglican Church (Church of England) has had a long rich tradition of choral music. So have most Lutheran branches in America. The Episcopal Church has been loosing members at an alarming rate. I don't know what will happen with this trend. I hope that they keep their tradition of choral music. Many of their cathedrals and major churches have had choirs and good singing traditions.