Music of Vatican City a result, reformers like Palestrina revised the rules behind Gregorian chanting, which were printed by the Medici Press in Rome; these reforms continued to be followed to the present day. A traditional musical instrument was the pipe organ. After the end of the Papal States the Popes' ability to sponsor composers and musicians waned. However it did not end entirely nor did interest in the subject. Pope Pius X and Pope Pius XII both wrote on the subject. In modern times John Harbison and Gilbert Levine have composed or conducted for the Vatican. Although not of the Vatican a Christmas
Popes during the Age of Revolution of the dissenting bishops had left Rome before the final vote. The direction in which Pius IX was taking the church was made very plain in a document of 1864 known simply as the Syllabus. It is a list of eighty modern that included such broad topics as socialism, civil marriage and secular education. The final error is the concept that 'the Roman Pontiff can and should reconcile himself to and agree with progress, liberalism and modern civilization'. Popes during the Age of Revolution The modern history of the papacy is shaped by the two largest dispossessions of papal property