Source: PL-Wn 12720 V Antyfonarz opata Mścisława z Tyńca, pars de temporeFolio: 0043rSequence: 2Feast: Vigilia Nat. DominiOffice: MGenre: RPosition: 1.3Cantus ID: 007593Mode: 8Full text: Sanctificamini filii Israel dicit dominus in die enim crastina descendet dominus et auferet a vobis omnem languorem