Chants and prayers from the Mass and other services that vary from day to day throughout the Church year according to the particular liturgical occasion. The proper is opposed to the ordinary, which consists of those chants and prayers that remain the same.Typical Ordinary Mass Typical Proper Mass Introit Kyrie eleison Kyrie eleison Gloria in excelsis Deo Gloria in excelsis Deo Gradual Alleluia Sequence Credo Credo Offertory Sanctus Sanctus Benedictus Benedictus Agnus Dei Agnus Dei Communion Ite missa est Ite missa est a liturgical genre is proper if its text changes from one day to the next. In the mass, the musical items of the proper are the introit, gradual, alleluia, offertory, and communion. A table of items from the mass is available. the parts of the mass whose parts change daily, as distinct from the ordinary. The proper consists of the introit, gradual, alleluia or tract, offertory and communion