Source: PL-WRu I F 414 Cistercian Gradual (Silesia)Folio: 028rSequence: 1Feast: Fer. 6 Hebd. 3 Quad.Office: MASSGenre: OffCantus ID: g00769Mode: 5Full text: Intende voci orationis meae rex meus et deus meus quoniam ad te orabo domine