Here is a good example:
http://www.conitec.net/beta/asnd_create.htm
Hope, it helps.

Maybe, you are not aware of that Lite-C is case sensitive - in contrast to wdl? Means, you have to write 'SOUND*'. It is completely in capitals.
'Sound' or 'sound' are wrong.

http://www.puppenheim.org/
http://www.wuerfels-welt.de
Old Game Tutorial: http://www.puppenheim.org/MITutorial.zip
Free Game Editor: http://puppenheim.org/AlienalsWeihnachtsmann.zip
http://www.puppenheim.org/blender_starting_main_settings.txt