It should be possible to export Acoustica MP3 audio to common MP3 files using MP3 Audio Mixer software.
Convert Acoustica MP3 Audio Mixer file to Compressed audio and music file, mp3 songs or ringtones.
We found one software available in the database for this conversion.
Microsoft Windows software - convert sgp to mp3 on Windows
A simple MP3 mixing software
Convert from sgp file format
The table with program actions contains information about what each program is capable of doing with their files. This may be a good pointer for further searches for certain file conversions and help you find the converter you are looking for if our search result is insufficient for you. However, it is far from perfect and may sometimes show results which are not really usable because of the nature of the software handles the files. So a conversion that appears as possible, just because of matched actions, may in fact not be possible.