New music is not always written for the soundtracks of films, very often existing (classical) music is also used. Sometimes the film becomes so famous that the music remains inseparable from it. Also Sprach Zarathustra by Richard Strauss, for example, from 2001: A Space Odyssey, or Wagner's Walkürenritt from Apocalypse Now. These works and 98 other famous pieces of film music are collected in a
… thematic way on the six-double CD 100 Best Films Classics. Exceptions among the 'classics' are well-known soundtrack composers such as John Williams, Howard Shore, Hans Zimmer and John Barry. Performers include Maria Callas, José Carreras, Angela Gheorghiu, Mariss Jansons, Herbert von Karajan and Simon Rattle. (IV)more