background music in powerpoint

How to play music across slides in PowerPoint 20002/XP 2003, and 2004?

To play a background music loop or music file across a number of slides in PowerPoint 20002/XP 2003, and 2004: Choose "Movies and Sounds" from the Insert main menu option. Depending on your preference, select "Sound From Clip Organizer", or "Sound From File", or "Play CD Audio Track", or "Record Sound". Locate the Sound file that you wish to play across any number of your slides. Insert the sound. If you don't want the sound icon to appear in the presentation, drag it off the slide. If you are asked Do you want the sound to play automatically? Select "YES". Right click the sound's icon and select "Custom Animation" from the popup menu. The Custom Animation dialog box will open and your sound file should be listed. Click the arrow directly to the right of the sound icon to pull down various options. Select "Effect Options", and on the Effects tab, Select the radio button beside "Stop Playing after XXX slides". Select the number of slides that you would like the music to continue to play through. If you want the sound to continue through the end of the presentation, enter a very large number, for example 999. Select the Timing tab. To play automatically, the timing should be set to Start After Previous with a 0 second delay. Click OK to close the dialog box. Your music track will now continue after you leave the slide on which you placed it and play until it reaches the slide number which you entered to Stop Playing. Learn more about sound effects in powerpoint.