Maryann,
Unfortunately PPT is not good at synchronizing music and content. It simply
plays the sound when asked.
Read this excellent article on the topic:
http://www.soniacoleman.com/Tutorials/PowerPoint/synchronizing.htm

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Luc Sanders
(MVP - PowerPoint)
> How do you get the music to keep the timing to the ppt? When I copied all
> the info burnt it to a cd -- the slides are like 4 slides slower. How do
> I
> keep the same speed so it matches the music
> thank you