Classical music (music created by musicians who are commonly not classically trained, often from a purely oral tradition). Some composers, like Dvořák and Smetana, have used folk themes to impart a nationalist flavor to their work, while others like Bartók have used specific themes lifted whole from their folk-music origins. Certain staples of classical music are often used commercially (either in advertising or in movie soundtracks). In television commercials, several passages have become clichéd, particularly the opening of Richard Strauss' "Also sprach Zarathustra" (made famous in the film "") and the opening section "O Fortuna" of Carl Orff's "Carmina Burana"; other examples
2001: A Space Odyssey in popular culture of the film and novel, also created by Kirby. "2001" has been the frequent subject of both parody and homage, sometimes extensively and other times briefly, employing both its distinctive music and iconic imagery. In celebration of the 50th anniversary of the film’s release, an exhibit called “The Barmecide Feast” opened on April 8 2018 in the Smithsonian Institution’s National Air and Space Museum. The exhibit features a fully realized, full-scale reflection of the iconic, neo-classical hotel room from the penultimate scene in the film. 2001: A Space Odyssey in popular culture In popular culture, Stanley Kubrick's 1968 science fiction