The creation of this wall took me much time and I am pleased to release it now for you!
Time to create in Blender 2.68: 4-5 hours
Rendertime: 1 hour 55 minutes
Resolutions:
3840x2160(8-bit)
1920x1080(8-bit)
If you want another resolutions, you can ask me! :-)
There is also a 16-bit-version, but it is really big. If you want this version you can download it on deviantART under the following link:
http://dario999.deviantart.com/art/Speakers-of-Future-4k-and-Full-HD-391374686