I am latvian (from Lettland), but i know russian, english and rudimentary technical german.
that second link, it works from USB, reacting to any sound source that is playing on PC. First link, DeVis, also works from USB, but only as WinAmp plugin. Third link is USB adaptation of famous Discolitez Deluxe32 (4x8 LEDs) Winamp plugin, wich was initially made for LEDs on LPT port.

I just posted links because maybe someone else is also searching for color organs, Lichtorgel