Liber Brevior, with Rhythmic Signs of Solesmes, is essentially the exact same as the Liber Usualis (used by priests, monks, sisters, and seminarians) except that it had been shortened from around two thousand pages to eight hundred. You could say it is the layman’s Liber. The Liber Brevior is perfect for all small choirs that are forming today to be used with the traditionally sung Tridentine Latin High Mass. 766 pages, Hardcover.
Liber Brevior combines two official books of the Catholic Liturgy for the Mass:
1. 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.)
2. The “Graduale Romanum” which includes the official music of the Mass Propers (Introit, Graduale or Tract (Liturgy), Alleluia, Offertory, and Communion).
Liber Usualis includes the two previously mentioned official liturgical books plus:
4. Parts of the “Antiphonary,” “Responsory,” “Psalterium,” which are some of the music books associated with the “Breviarium.”
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