Source: SK-BRnm (Bratislava) Slovenské národné múzeum - Hudobné múzeum GradualeFolio: 090rSequence: 1Full text: Tu domine servabis nos et custodies nos a generatione hac in aeternumFeast: Fer. 6 Hebd. 2 Quad.Office: MASSGenre: CmCantus ID: g00741Mode: 3