How to add music file in PowerPoint 2007 so that it plays during the presentation.

1. Select the slide you wish to add the music to.

2. Click the Insert tab.

3. Under the Media Clips group, click the arrow under Sound.

4. To play a music file such as an MP3 or WAV, click Sound from File.

5. Browse to the folder that contains the file, and then double-click the music file.

6. Select if you wish the file to start Automatically or When Clicked.