I have translated into Spanish the accompaniment method used by the "Nova organi harmonia", published by the Belgian musician Flor Peeters (A practical method of plain-chant accompaniment, 1949).

The original book (French-English) can be downloaded from this link: https://www.ccwatershed.org/2013/03/19/flor-peeters-method-gregorian-chant-accompaniment/

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He traducido al español el método de acompañamiento que usa la "Nova organi harmonia", publicado por el músico belga Flor Peeters (A practical method of plain-chant accompaniment, 1949).

El libro original (francés-inglés) puede descargarse desde este vínculo: https://www.ccwatershed.org/2013/03/19/flor-peeters-method-gregorian-chant-accompaniment/