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
Gratia non tollit naturam, sed perficit Gratia non tollit naturam, sed perficit Gratia non tollit naturam, sed perficit is translated as 'Grace does not destroy nature, but perfects it', or 'grace does not destroy nature but fulfills it'. This Phrase is the word of Thomas Aquinas (c. 1224–1274). He observes, grace does not destroy nature, but fulfills its potential (Summa Theologiae, I, I, 8 ad 2). "Since therefore grace does not destroy nature but perfects it, natural reason should minister to faith as the natural bent of the will ministers to charity." Thomas maintains that the truth of human nature finds total fulfilment through sanctifying grace,