How do I play sounds across multiple slides on Powerpoint?

To play the sound or music across multiple slides in PowerPoint2000:

Open the presentation.

On the Insert menu, point Movies and Sounds, and then click Sound from a collection of sound files, CD tracks, or record sound.

After inserting the media (audio), select the object and choose multimedia animation in the menu Slideshow menu.

In the Animation dialog box, click the Sync tab, and verify that the selected media object.

Click the Options button on the Multimedia tab and select Play using animation order check box. After selecting some additional options become available.

By default, pause the slideshow options selected. This option allows you to stop the presentation before the completion of audio playback or until additional next slide. For playback on several slides, you must click to select the option to continue the slide show. After selecting the parameters for Stop Playing become available.

The default settings for the group Stop playing usually after the current slide, which corresponds to the action to pause the slide show from the list when you play. To be able to play multimedia objects across multiple slides, you need to check the other parameters after <slide number = ""> </ slide> Slide. This parameter determines when to stop the media object from playing in a slide show.

The sound can be played back only a few slides in a presentation using films and sound commands Insert menu. When you try to use the player or movie player on the Macintosh, it is possible to insert a sound, but are not able to play it on a few slides.

This information from Microsoft's website