Which part of iTunes are you dragging them to? You should drag them into the Library on the left sidebar.
If that isn't working, then the mp3 files might not be mp3s at all. Where did you get them? There might be something wrong with them or they are of some off mp3 format.
Which part of iTunes are you dragging them to? You should drag them into the Library on the left sidebar.
If that isn't working, then the mp3 files might not be mp3s at all. Where did you get them? There might be something wrong with them or they are of some off mp3 format.