Oravi Deum meum [I Daniel prayed to my God] (Daniel 9:4,17-19) – Chant
From Daniel 9:4,17-19 [Latin] – 4Â And I [Daniel] prayed to the Lord my God, and I made my confession, and said: I beseech thee, O Lord God, great and terrible, who keepest the covenant, and mercy to them that love thee, and keep thy commandments.
17Now therefore, O our God, hear the supplication of thy servant, and his prayers: and shew thy face upon thy sanctuary which is desolate, for thy own sake.
18Â Incline, O my God, thy ear, and hear: open thy eyes, and see our desolation, and the city upon which thy name is called: for it is not for our justifications that we present our prayers before thy face, but for the multitude of thy tender mercies.
19Â O Lord, hear: O Lord, be appeased: hearken and do: delay not for thy own sake, O my God: because thy name is invocated upon thy city, and upon thy people.
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Chant text: “Orávi Deum meum ego Dániel dicens: Exáudi, Dómine, preces servi tui: illúmina fáciem tuam super sanctuárium tuum: et propÃtius inténde pópulum istum, super quem invocátum est nomen tuum, Deus.”
Translation: “I, Daniel, prayed to my God, saying: Hear, O Lord, the prayers of Thy servant; show Thy face upon Thy sanctuary, and favorably look down upon this people upon whom Thy Name is invoked, O God.”

Offertorium: Oravi Deum meum, for Seventeenth Sunday after Pentecost, from Graduale Romanum, Solesmes, 1961, p. 367 or The Liber Usualis, Solesmes, 1961, p. 1050
Sung by Marek Klein
Free sheet music in scrolling YouTube video above and at GregoBase