Fidelia - Is this antiphon Fidelia omnia? I am not sure: the psalm does not match, since the 1983 OCO assigns Fidelia to psalm 115, while old sources assign Fidelia omnia to psalm 110. If someone knows this please let me know.
BTW, why is the Ordo Cantus Officii diferent from the text in the Liturgia Horarum? Is this another case of having "sung propers" different from the "spoken propers"?
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