Source: PL-Wn 12496 IV Graduale cistercienseFolio: 067rSequence: 6Feast: AmbrosiiOffice: MASSGenre: IntrCantus ID: g01271Mode: *Full text: Statuit ei dominus*Notes: Another introit was added later for this feast (right margin) - IN In medio, ps. Bonum est confiteriExternal image link: Image link