Source: SK-Sk (Spišska Kapitula) Graduale ScepusienseFolio: 134vSequence: 4Full text: Praeoccupemus faciem ejus in confessione et in psalmis jubilemus eiFeast: Dom. 13 p. Pent.Office: MASSGenre: AlVPosition: 01Cantus ID: g01203a.1