Source: SK-Bra (Bratislava) Antiphonary of Bratislava I EC Lad.3Folio: 068vSequence: 5Full text: Simon Petre antequam de navi vocarem te novi te et super plebem meam principem te constitui et claves regni caelorum tradidi tibiFeast: Petri, PauliOffice: MGenre: RPosition: 1.1Cantus ID: 007674