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
Natura Artis Magistra Natura Artis Magistra Artis, short for Natura Artis Magistra (Latin for "Nature is the teacher of the arts"), is a zoo in the centre of Amsterdam. It is the oldest zoo in the Netherlands and one of the oldest zoos of mainland Europe. Next to possessing a zoo, Artis also contains an aquarium and a planetarium. Artis also has an arboretum and a fairly large art collection. A part of the art collection is on display in the Aquarium building of the zoo. Artis contains 27 monumental buildings, most of which are used as enclosures for the animals, making Artis