I’m after a program which I can use to adjust the volume of MP3’s. Which is to say that I desire a program with which I can adjust the volume of an MP3 track permanently without having to save it as a separate file. For example I could import an MP3 into a recording program, adjust the volume, and save it as a new file, but I do not wish to do this. I merely wish to “update” the volume of the original files themselves. Does anybody know of any programs with which I can do this? Preferably something I can legally download. I’d also settle for a program where I can do as I described above, but with WAV files.