Hi,
1. What exactly do you mean by burn a music CD from an e-mail?
2. Have you received any music in e-mail?
3. Are you trying to burn that music in CD?
If you have received any music in e-mail and you are trying to burn it in a CD, then I would suggest you to save the music on the hard drive from e-mail and then try burning it in a CD.
For more information on burning a CD\DVD, refer these links:
http://windows.microsoft.com/en-US/windows7/Burn-a-CD-or-DVD-in-Windows-Media-Player
If your issue is something else, then I would suggest you to provide us more information on the issue so that , we can assist you better.
Please respond back and let us know the status of the issue, so that we can assist you further.
Azam – Microsoft Support.