Source: SK-BRu (Bratislava) Ms 1324Folio: 002rSequence: 4Full text: Priusquam montes fierent aut formaretur terra et orbis a saeculo [et in saeculum tu es deus]Feast: Dom. 21 p. Pent.Office: MASSGenre: GrVCantus ID: g01242aMode: 2