Source: SK-Bra (Bratislava) Missale of Bratislava I EC Lad. 3Folio: 148rbSequence: 1Full text: Alleluia Haec dies quam fecit dominus exsultemus et laetemur in eaFeast: Sabbato in AlbisOffice: MASSGenre: AlPosition: 1Cantus ID: 008425.1