Hello, here is one of the most beautiful organs of the world (in my opinion). The WERSI Galaxis with two illuminated TS6000 speaker. It was built in the 1980's. Well known artists like Franz Lambert, Klaus Wunderlich, Jimmy Smith, have played this organ. The design was ultra modern and just in this time it looks so good :-).
The plants in the pictures are from CuRvEmAsTeR (http://www.blendswap.com/blends/view/72759) and is not in this file. For a better look I have spend a little room with some IES-Lights. You can find the addon in http://blenderartists.org/forum/showthread.php?276063-IES-Lamps-to-Cycles.
You can move the buttons. If you move the illuminated buttons in the local z direction, the lights will switch on or of. For moving the hole organ there is a squared empty.
Have fun with this peace.