This is the complete 1930 HMV recordings of plainchant from the monastic choir of the Abbey of St. Pierre de Solesmes.

These tracks have been denoised via Sony Noise Reduction 2.0, but the original unmodified recordings can be found in APE encodind via magnet link magnet:?xt=urn:btih:639698D076A1903FA7E8260BB4912D4781359F1D&dn=Gregorian%20Chant_Choeur%20Des%20Moines%20De%20L%27Abbaye%20St.%20Pierre%20De%20Solesmes_1930