Scope and Contents Sanctus : "land of rest" / Richard Proulx. This manuscript was in a file with manuscripts of other Masses for which Proulx rearranged the organ accompaniment (for both manuals only or with pedal). The works in this folder are variations on the tune "LAND.This manuscript was in a file with manuscripts of other Masses that Proulx rearranged the organ accompaniment for (for manuals only or with pedal). This particular piece includes a descant. According to the GIA website, this...