The Mass is a form of sacred musical composition that sets the invariable portions of the Christian Eucharistic liturgy, known as the Mass.
Missa Virgo parens Christi by Jacobus Barbireau
Mass is the main Eucharistic liturgical service in many forms of Western Christianity. The term Mass is commonly used in the Catholic Church, Western Rite Orthodoxy, Old Catholicism, and Independent Catholicism. The term is also used in some Lutheran churches, as well as in some Anglican churches, and on rare occasion by other Protestant churches.
Painting of a 15th-century Mass
A priest offering the Mass at St Mary's Basilica, Bangalore
The elevation of the host began in the 14th century to show people the consecrated host.
A priest administers Communion during Mass in a Dutch field on the front line in October 1944.