Netscape on Windows machines gives an error message when you try to load sound files, but the file should load and play in spite of that. Movie files are in QuickTime format and require the QuickTime viewer available free from Apple. Be it a science fiction film, an instructional video clip or a computer game, sound can enrich experiences and help engage learners. For example, Sound creates high energy impact.
Sound sets the mood and pace of a scene or event.
Music in the background of movies sets the mood, and conveys the pace. Most movies would be flat without it. Consider the feelings you have while listening to this, and what qualities of the music bring up those feelings. If this were playing in the background while you were reading this page, it would probably impact your overall experience of the page. This would lead to a very different experience of this page.