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 (film) company, and care was taken that the film would be sufficiently "British" to qualify for the Eady Levy, a UK tax on box-office receipts. The film received mixed reactions from critics and audiences upon its release, but garnered a cult following and became the highest-grossing North American film of 1968. It was nominated for four Academy Awards; Kubrick received one for his direction of visual effects. A sequel, "", directed by Peter Hyams, was released in 1984. "2001: A Space Odyssey" is widely regarded as one of the greatest and most influential films ever made. In 1991, it was deemed