FabulousMP3 is an MP3/WAV file converting tool with mutiband compression audio processor. It can be used to create a wide variety of processing that can make the music smoother or punchier, depending on what you would like it to do. FabulousMP3 can take your music MP3/WAV files and process them to get a gentle AGC action that will adjust the overall loudness of each file or you can get very aggressive.