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
International reactions to the annexation of Crimea by the Russian Federation – Presidents of the two countries called for NATO consultations in accordance with Article 4 of its treaty claiming Russia was executing military maneuvers in Kaliningrad, close to both their borders. On April 14, 2014, a group of Estonian Russophone social activists published an address titled "" in response to the situation in Ukraine. By the morning of April 20 Memorandum was signed by 779 persons. The Memorandum basically stated that the signatories do not need any protection from the outside and do not support separatist statements made in the name of the Estonian Russophone community. The International Workers' Association,