If you visit the Basilica di Santa Cecilia in Trastevere façade, and gently ring the bell, you’ll be admitted the entrance to the Monastery of Benedectine nuns. From there, you’ll ascend to the “Coro delle monache”, where some remains of the medieval frescoes of Christ and angels painted by Pietro Cavallini and assistants still disclose the beauty of their vivid colors to visitors’ admiration.
Here is a more complete version, this would be a wonderful stop if you visited Italy. Basilica di Santa Cecilia in Trastevere.
https://en.wikipedia.org/wiki/Santa_Cecilia_in_Trastevere
On Angel's Wings 