Answered by Legionary of Christ Father Edward McNamara, professor of liturgy and dean of theology at the Regina Apostolorum university.
Q: What are the restriction on the use of the Te Deum, either by law or by tradition? As an example, the Te Deum is a part of the consecration of a bishop, therefore I believe it would be inappropriate for it to be sung at the ordination of a priest or deacon. Would it be appropriate after Communion during the Easter Vigil or on Easter Sunday? Pentecost? A Sunday in Ordinary Time? – S.M., Evansville, Indiana
A: The Te Deum, sometimes improperly called the Ambrosian Hymn, is an
