A lyric requesting protection from the “murderous rage” of Turks and these people is often removed from modern versions of the hymn “Erhalt uns, Herr, bei deinem Wort.” To open a work titled for one of these people, each voice leaps up a perfect fourth and descends in a stepwise fashion. A work titled for one of these people splits the text of the (10[1])Agnus Dei into two movements. A genre named for one of these people was modified (10[1])by adding an improvised vox (10[1])organalis to the vox principalis to create works called organum. Legendarily, a ban on polyphony was averted (10[1])by the composition (10[1])of a mass titled for a man (10[1])with this position, (10[1])Marcellus II, by Giovanni Palestrina. For 10 points, name this position held by the namesake of a form of monophonic chant, Gregory (10[1])I. ■END■ (10[1])