If our primary association with a piece of music is external to liturgical worship, it will not be advantageous to use that music in liturgical worship.

"The issue is not: did she know all the things or none of the things, or some of the things? The premise of this song implies that Mary did not know that she was carrying the Messiah. "

A hub of liturgical documents on liturgy and sacred music for Catholic musicians.

An overview of the 35th Annual Church Music Association of America Colloquium.