Of course it's possible to burn a cd on your computer if you have a cd burner & software. But certainly not by using Limewire. There's many, many, many options out there as far as audio burner apps. Surely your cd burner came with its own software. MusicMatch & apparently some versions of WMP can burn cd's. If you want to find some free apps have a look at
http://www.sofotex.com/download/Multimedia/CD_Burner/, and
http://www.mp3-cd-burner.com/, and
http://www.burn4free.com/, and
http://www.mp3-cd-burner.com/all_software.htm.