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
Three Popes and the Jews this time he does not claim to be an eyewitness. Zuccotti regards this anecdote as unconvincing because "there is little evidence that [Paul VI] ever did much for the Jews" and the ADSS even contains examples of his refusing requests for assistance. The quote is also inconsistent with his 1963 article in "The Tablet" defending Pius XII which claims not that he directed others to save Jews, but that he refrained because it would have been "not only futile but harmful". Three Popes and the Jews Three Popes and the Jews is a 1967 book by Pinchas Lapide, a former