The present reduction derives from the critical edition of the score, also published in this catalog on Novembre 2012 (NR 139699). The critical edition returns the text of the Stabat mater thanks to a study of a particular scientifi c authority andphilological rigor: as main source the edition is based on the autograph score (now kept in the Archives of the Abbey of Montecassino) and on a number of manuscript sources selected (among the many existing) for their greater guarantee of fi delityto t