It is a free tool which can merge MP3 files. It can merge from 2 to 9999 MP3 files into one MP3 file to let you be able to manage your seperated MP3 musical files better. It is small and delicate with beautiful screen pannel, easy to use, simple and fast, the most important point is that it is totally free of charge. It is only 100K and applicable for Windows Me, 2000,XP and 2003.