The " Kyriale " which includes the usual eighteen settings of the " Ordinary ( liturgy ) " of the Mass ( Kyrie, Gloria in excelsis Deo, Credo, Sanctus and Agnus Dei ) as well as certain other music for the Mass ( Asperges Me, Sursum Corda, final blessing response, etc . ), and 2 . the " Graduale Romanum " which includes the " official " music of the Mass Propers ( Introit, Graduale or Tract ( liturgy ), Alleluia, Offertory and Psalterium, " which are some of the music books associated with the " Breviarium ."
