What Should I Look For To Find Ominous Choir Music In Dramatic Movie Moments Or Before Battles?
I’m looking to find some of the choir-ish music usually during dramatic moments in a movie or before battle scenes. Like in the Da Vinci code movies for example. I think most of it is in Latin, I’m looking to mix it with some music and just dont know where to even begin to search for it. help! 
One of the great ones was used in the movie “Excalibur” right at
the beginning. It is O Fortuna from Carmina Burana by Carl Orff.
It has been used in several movies.
Wolfgang Amadeus Mozart’s Requiem- La Crimosa 8…. done.http://www.youtube.com/watch?v=swkT07TP-…
or something like Beethoven’s Mondscheinsonatehttp://www.youtube.com/watch?v=3TIN955FY…
Either of those guys have tons of that ominous build-up quality in their music.
If you check for soundtracks like Troy (tracks 1, 3, and 11) Alexander (3, especially 11, 12, 15 ), LOTR (Pretty Much Everything) and oddly enough the Hitman soundtrack (1, 2, 5).
Good Luck
Lord of the Rings, definitely.