Donatus of Arezzo [SEP] canonization status
Donatus of Arezzo
Saint Donatus of Arezzo () is the patron saint of Arezzo, and considered a bishop of the city.
A "Passio" of Donatus' life was written by a bishop of Arezzo, Severinus; it is of questionable historicity. He calls Donatus a martyr, though Donatus is described as a bishop and confessor of the faith in ancient sources rather than as a martyr. An early hagiography of Donatus was already known to Gregory the Great.
According to tradition, Donatus was martyred on August
Odo of Arezzo
Odo of Arezzo or Abbot Oddo ("fl." late 10th century) was a Medieval composer and theorist who worked in Arezzo. Little is known about his life, except that he was an Abbot in Arezzo, working under Bishop Donatus of Arezzo. Odo composed a tonary (a book of chants which usually included antiphons and responsories) with a discussion of modes, which survives in 20 manuscripts, four of which contain attributions to Odo. In several of the manuscripts a prologue ascribed in three out