Source: PL-Wn 12497 IV Graduale cistercienseSequence: 1Feast: Antiphonae MajoresOffice: VGenre: ACantus ID: 004075Full text: O radix Jesse qui stas in signum populorum super quem continebunt reges os suum quem gentes deprecabuntur veni ad salvandum nos (...)External image link: Image link