Answer:
they were i think the name is Pessimistic novelists????
The Mass ordinary, or the Ordinarium parts of the Mass, is the set of texts of the Roman Rite Mass that are generally invariable. ... The Kyrie, Sanctus, and Agnus Dei are part of every Mass. Kyrie, Gloria, Credo, Sanctus and Agnus are often sung, by a choir if not by the whole congregation.
I believe it is informational listening because he is giving information on how to get there.