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
Dead by April a Butterfly"". Shortly after the release of Let The World Know, the band's original drummer Alexander Svenningson announced he had left the band and had been quickly replaced by Marcus Rosell, current member of Ends with a Bullet. On 3 November 2014, the band announced that Zandro Santiago had left to pursue a solo career of his own, and that Pontus Hjelm would take his place as the vocalist, returning to the role he had left in 2010. Dead by April announced in July 2015 on their Facebook page that they were recording their fourth studio album. In late September