A Historical Overview of Musical Worship & Culture in Sardinia 451
office, dating from the second half of the thirteenth century.73 The Rule of
Saint Clare, promulgated by Pope Urban IV on 18 October 1263 and transcribed
73 Giampaolo Mele, “Nuove ricerche sui manoscritti liturgici francescani in Sardegna.
Osservazioni su alcuni frammenti neumati clariani (sec. XIII/XIV ), Biblioteca Francescana
Sarda, II/1–2 (1988), 109–135; Mele, “Catalogo analitico,” pp. 345–347; Giacomo Baroffio
and Eun Ju Kim, “Iam sanctæ Claræ claritas”: l’ufficio ritmico di santa Chiara (Milan, 2004).
Figure 17.2 Oristano Cathedral. Manuscript ACO, P.I, Gradual,
15th century. Caption followed by the introit of the Epiphany
Ecce advenit with miniature on the initial « E ». Gothic textualis
writing. Black “square” musical writing on the red tetragram.