Hi
Thank you for using Microsoft Windows Vista Forums.
I will require some additional information to assist you better.
Ø Was it working fine before?
Ø Are you getting any error messages?
Ø Which is the application that you are using to burn CD?
Ø Did you try burning the songs using some other CD?
In the mean time, follow the instructions in the link below which might help you in resolving the issue.
Burn a CD or DVD in Windows Media Player
http://windows.microsoft.com/en-US/windows-vista/Burn-a-CD-or-DVD-in-Windows-Media-Player
Burn a CD or DVD
http://windowshelp.microsoft.com/Windows/en-US/Help/b47eb51a-ea6d-4d97-97b0-2d07a59316981033.mspx
Disc burning: frequently asked questions
http://windowshelp.microsoft.com/Windows/en-US/Help/2fa35b0d-b280-4589-9805-55e753888f5c1033.mspx
Please post back and let us know if this has helped to resolve your issue.
Regards,
KarthiK TP