However, by October he was well enough to be appointed by Pope Gregory XIII, along with Palestrina, to edit and revise the music for the Graduale, as well as other liturgical music of the Church.
I oktober var han dock tillräckligt frisk för att utnämnas av påve Gregorius XIII, tillsammans med Palestrina, att editera och revidera musiken till Gradualen, likväl som annan liturgisk musik.