Program music 1970s in particular experimented with program music, among which was Rush's "Jacob's Ladder" (1980), which shows clear influences of Smetana's "Má vlast" ("My Homeland") (1874-1879). In addition, Rush's songs "Xanadu", "Red Barchetta", and "YYZ" also show their experimentalism with program music, as do parts of "2112", particularly the discovery scene. Composers and some theorists argue that there is indeed no such thing as true "absolute ("ars gratia artis") music" and that music always at least conveys or evokes emotions. While non-professional listeners often claim that music has meaning (to them), "new" musicologists, such as Susan McClary (1999), argue that so-called
Ars historica Pietro Perna distinguished himself as a promoter of a new cultural and religious model rooted in Erasmian critical standards in religion and medicine but also in historical scholarship. As a historical printer he is best known for his illustrated editions of Paolo Giovio, but also for editions of standard and contemporary works, including Protestant chronicles and histories. Perna brought together all the major authors and works of the "ars historica " in two compilations. The "Methodus historica " (1576) featured Bodin followed by another dozen titles. The "Artis Historicae Penus" (1579) adds another five titles for a total of 18