Source: SK-Sk (Spišska Kapitula) Graduale ScepusienseFolio: 157vSequence: 1Full text: Alleluia Laetabitur justus in domino et sperabit in eo et laudabuntur omnes recti cordeFeast: Commune unius MartyrisOffice: MASSGenre: AlPosition: 1Cantus ID: g02236