convert them to WAV. format and burn them to a cd-r make sure the disc is closed when your done this locks it to where you cant add more files to the disk but allows a cd player to read the disk. a good free converter is called CDEX you can get it at cnet for free . when you convert them it makes the mp3 format five times bigger on average so a 5 meg ends up being a 25 to 35meg Wav. and i get like 10 to 15 songs per cd useing Sonic disk creator....some newer disk burners format the mp3s into wav.s without having to do it manualy my new laptop has a new tss corp cd and dvr burner and its program does all that without lifting a finger just tell the program what u want and it does it all automatic but my desktop pc i have to doit as described above...hope this helps