The basilica of Sant'Angelo in Formis is a must for scholars of Roman art for the vast cycle of frescoes preserved. They will look for the style, colors, harmonies or dissonances with other cycles, technique or innovative repeater, the "proprium" artist of Campania and the "proprium" of the east, the calls of the thumbnails, you find entries that Byzantine from time to time engage on the basis of texture painting bell or, conversely, find entries bells from time to time engage on texture base of Oriental painting.

The believer, beyond the artistic experience, you will find the message of God.

The full program is characterized by the paintings done by the message of salvation and shows a mind in full agreement with the rebirth of cultural and religious Montecassino carried out by the will of Gregory VII, and (in our case) based on the function of art according to Gregory the Great, and some Councils. So he expressed Gregory the Great: "The painting is used in churches so that those who can not read at least on the walls read, seeing the same things that would not be able to read the books."