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 2001: A Space Odyssey in popular culture In popular culture, Stanley Kubrick's 1968 science fiction film "" has had a significant impact in such diverse cultural forms and media as film, literature, music and technology. The influence of "2001" on subsequent filmmakers is considerable. Steven Spielberg, George Lucas and others, including many special effects technicians, discuss the impact the film has had on them in a featurette titled "Standing on the Shoulders of Kubrick: The Legacy of 2001", included in the 2007 DVD release of the film. Spielberg calls it his film generation's "big bang", while Lucas says it was