Source: PL-WRu I F 413 Cistercian Gradual (Silesia)Folio: 021rSequence: 2Feast: Fer. 4 CinerumOffice: MASSGenre: ComCantus ID: g00669Mode: 3Full text: Qui meditabitur in lege domini die ac nocte dabit fructum suum in tempore suo