I've got about 30 separate 45 minute mp3 files that I need to cut/edit into specific sections. If possible I'd also like a way inside the program to take notes of what the tracks contain. They are ...

I was just wondering what is the best program to edit a lot of tags, or group of mp3s at one time? Like a whole folder for one album. What is the best way to do this? What is the best version of ...