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 Choir Thus the ""magister capellae"" came immediately after the cardinals, followed, in the order given, by the ""sacrista"", ""cantores"", ""capellani"" and ""clerici"". With the building by Sixtus IV (1471–84) of the church for the celebration of all papal functions since known as the Sistine Chapel, the original ""schola cantorum"" and subsequent ""capella pontificia"" or ""capella papale"" became the ""capella sistina"", or Sistine Choir. Up to this time the number of singers had varied considerably, there being sometimes as few as nine men and six boys. By a Bull dated November, 1483, Sixtus IV fixed the number at twenty-four, six for each