Restart jwm and you will see a new addition to tray.
Launch snackAmp and make a change in preferences.
Tools > Preferences > Miscellaneous
to select the option 'Enable Socket Interface'
Quit and restart snackAmp again and open a mp3 file and make sure the
volume is high enough to hear the song. There is a built-in mixer under
Tools > Show mixer
Keep snapAmp playing!!!
Launch mp3splt-gtk and click on 'Connect' button.
The name of currently playing song should appear in file field,
and the player icons of mp3splt-gtk should work.
Click on plus button to create split points.
Click on 'splitpoints' tab button. More adjustments are possible,
then click on green check mark at the top of window to do the split.
The mp3 file will be found in the destination folder which can be set by user.
Note : If this doesn't work, close apps and do the procedure a second time.