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
Vatican leaks scandal Herranz, an Opus Dei prelate who headed the Vatican's legal office as well as the disciplinary commission of the Vatican bureaucracy before retiring. Paolo Gabriele, who had been the pope's personal butler since 2007, leaked the stolen information to Gianluigi Nuzzi. He was arrested on 23 May 2012 after confidential letters and documents addressed to the pope and other Vatican officials were found in his Vatican apartment. The arrest was made by Vatican police, who claimed to have found classified documents in his apartment that Gabriele shared with his wife and three children. Similar documents had been published in Italian