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 Julius who began the rebuilding of St. Peter's Basilica in 1506, as the most potent symbol of the source of papal power. In the same year 1506, Pope Julius conceived a program to paint the ceiling of the Sistine Chapel. The walls of the chapel had been decorated twenty years earlier. The lowest of three levels is painted to resemble draped hangings and was (and sometimes still is) hung on special occasions with the set of tapestries designed by Raphael. The middle level contains a complex scheme of frescoes illustrating the "Life of Christ" on the right side and the