"... a few of healthy municipal pride emerged between the general surprise and the flood, legitimate satisfaction of the public who far away crowded the Petrarca Theatre in those August 1968: the artistic temperature, outside from the Theatre the summer darted, quickly was gone up until to a true and own fever of limpid and full enthusiasm for the Victoria achieved in the second category (male choruses) from the Gruppo Polifonico Francesco Coradini, choral compages aretina of most recent founded, prepared formation and directed from those Gloomy Courts that, then young already famous musician in the cerchia narrow of the connoisseurs, would have become in little years, in a continuous and thrilling artistic increase, a musician of absolute relief with all the characteristics of the authentic personage, which the only unripe, sour passing removed higher and prestigious goals... "

feature from "Vent' anni di Polifonia nella città di Guido" edited by Alfredo Grandini - Arezzo 1988