Film music continues to be a part of film production today. Its practice has become indispensable to the marketability of films worldwide. Soundtracks often precede a film's release and may bring in higher profits. The Conclusion looks at film music today, speculates on the future, and asks: how and why did music become so crucial? Music has a presence and power in television and in music videos, and on the Internet. To what extent do these new media forms depend on music? What functions that music gives to film might also apply to these new media?