8. The formation of liturgists is also fundamental. Just as musicians need to understand the essentials of liturgical history and theology, so too must liturgists be educated in Gregorian chant, polyphony, and the entire musical tradition of the Church, so that they may discern between what is good and what is bad.
And those judgments are always important, and ever in balance: musical, liturgical, and pastoral.
The full statement may be found here.