**The Graduale Romanum is the official hymnal for the Roman rite. It contains Latin chants for the entrance, the Psalm and Gospel acclamation, the offertory and Communion, which are collectively called the Propers of the Mass, for every Mass of the year.
They also provide Latin chants for Lord have mercy, glory to God, the creed, holy holy holy and Lamb of God, collectively called the Ordinary of the Mass. Music at Mass should always refer to these texts.**
So why aren’t these books available to parishioners in the prews in every church?
Most Catholic bishops and priests are hopelessly ignorant of Catholic music and liturgy. In the USA, Catholic bishops and priests have been suffering from “Protestant-envy” (like that other type of “envy” about the male anatomy) because they have always been a minority in a Protestant majority culture. Therefore, the “gravitational” pull and “normalcy” of the Protestant worship service has always appealed to American Catholic bishops and priests who have found that the Catholic worship service is to “foreign” in language and ritual. In the USA, any thing authentically Catholic must be suppressed in favor of the familiar Protestant norms of worship. In the USA, the Catholic Mass is designed to mimic the Protestant worship service as much as possibly. Therefore, no “Graduale Romanum” which is to “foreign.”