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
2014 Newark by-election he said at the time that he would not stand in the 2015 general election. On 29 April, after being told that the Committee on Standards would recommend that he be suspended from the House of Commons for six months, Mercer announced that he would resign his seat: he told journalists on College Green that he was standing down from "God's county of Nottinghamshire". Mercer was appointed Steward and Bailiff of the Three Chiltern Hundreds on 30 April 2014, a mechanism by which MPs resign. The writ was moved on 1 May 2014 for the by-election to be held on