palestrina? im not 100% sure though
Palestrina
The pope says mass daily, usually in his private chapel.
Guillaume de Machaut who wrote The Notre Dame Mass around 1360-1365.
mozart
His inauguration mass was held on April 24, 2005.
The pope is the principal celebrant of the midnight mass on Christmas,
Johann Sebastian Bach (1685-1750)
Roman Catholic AnswerNot sure what you are asking here. The Mass is not usually divided into categories. Although there is a private Mass - a Mass said with no congregation versus a public Mass. There is now the Ordinary Form of the Mass, which is the Mass promulgated by Pope Paul VI following the 2nd Vatican Council; and the Extraordinary Form which is the Mass originally promulgated by Pope Pius V, and last revised under Pope John XXIII.
Pope Francis held Holy Mass and prayed in St. Peter's Square.
No, it is not a requirement.
It was probably composed in 1562.
In Mass? Only if the Pope is there!