Sistine Chapel the chapel was decorated with frescoes by a number of the most famous artists of the High Renaissance, including Sandro Botticelli, Domenico Ghirlandaio, Pietro Perugino, and Michelangelo. The first mass in the Sistine Chapel was celebrated on 15 August 1483, the Feast of the Assumption, at which ceremony the chapel was consecrated and dedicated to the Virgin Mary. The Sistine Chapel has maintained its function to the present day, and continues to host the important services of the Papal Calendar, unless the Pope is travelling. There is a permanent choir, the Sistine Chapel Choir, for whom much original music has
Sistine Chapel ceiling to a strongly projecting painted cornice that runs right around the ceiling, separating the pictorial areas of the biblical scenes from the figures of Prophets, Sibyls, and Ancestors, who literally and figuratively support the narratives. Ten broad painted crossribs of travertine cross the ceiling and divide it into alternately wide and narrow pictorial spaces, a grid that gives all the figures their defined place. A great number of small figures are integrated with the painted architecture, their purpose apparently purely decorative. These include two faux marble "putti" below the cornice on each rib, each one a male and female pair;