The Council of Trent met from 1543 to 1563, and had a significant impact on the music of the Roman School. The impacts can be argued that these reforms in the Roman Catholic Church , Which were part of the Counter-Reformation, defined the music of the Roman School. The Council of Trent recommended that sacred music, especially music for use in the church, be written in a dignified style. The Council allowed polophony- a common misconception is that they banned it outright, but this is false- however they did require a text that was sung be clearly understandable. In addition while they did not ban the use of secular melodies as source material for masses and motets, such use was discouraged...
