Try downloading Nero Burning Rom the free edition to find it make a google search once you have it a window will pop up when you open it.
It has options on the side if you want an audio cd select audio if you want an mp3 cd select cd rom.
or depending on the version there might be a popup asking you questions the first two can be selected by your judgement and for the third one, select audio for an audio cd, and data for an mp3 cd. the rest of the questions should be answered like the first two

at the end select the button with the hand pointing to a cd which has flames flying of of it