Source: PL-Wn 12720 V Antyfonarz opata Mścisława z Tyńca, pars de temporeFolio: 0092rSequence: 1Feast: Octava Nat. DominiOffice: MGenre: APosition: 1.6Cantus ID: 005084Full text: Suscepimus deus*Notes: ps Magnus Dominus