First Mass for Christmas (Erste Messe an Weihnachten/Première Messe de Noël) - as practise at St. Mark's, Venice - Anonymous: First Mass for Christmas (Erste Messe an Weihnachten/Première Messe de Noël) - as practise at St. Mark's, Venice: Introit "Dominus dixit" - Psalm "Quare fremuerunt"