For all users of Mp3 ID3v1v2 Tag Edit & Sort Tool we highly recommend to do these steps: if you planning to edit hundreds or may be thousands mp3 files, please divide your task into the big parts, that is select for search mp3s folders that containing that file’s quantity, that you could edit at once. After this portion don’t forget to update or copy/rename your files with the new ID3 mp3 tags. Then get the next portion of files and edit them or leave them to the next time. I will solve your task in the step-by-step mode.