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
Interpretations of 2001: A Space Odyssey Kubrick, notoriously reluctant to provide any explanation of his work, never publicly stated the intended functions of the orbiting satellites, preferring instead to let the viewer surmise what their purpose might be. Interpretations of 2001: A Space Odyssey Since its premiere in 1968, the film "" has been analysed and interpreted by numerous people, ranging from professional movie critics to amateur writers and science fiction fans. The director of the film, Stanley Kubrick, and the writer, Arthur C. Clarke, wanted to leave the film open to philosophical and allegorical interpretation, purposely presenting the final sequences of the film without the