The main feature of the plugin is of course not the sound, which is the simplest thing possible (single channel square wave), but the instrument and priority system that helps to cram a few music channels into single monophonic square generator, by interrupting least important sounds, interleaving, and such - all tied to the actual PC Speaker capabilities and methods. You can even export the end result to be used in an actual MS-DOS (or other) program, a QBasic example how to play it provided.
Small MP3 demo
Download the plugin

