I have been trying to burn an audio cd for my friend. it consists of mp3 ,then I converted to wma and try to burn and nothing comes out. I get 15 tracks of nothing. Do I need to convert to .wav then reburn?? so basically I need to know which format will I need to convert to inorder to burn audio cd's????

please I'm desperate and have wasted many cd's for One audio cd that I would never listen to!!!!