My guess is that you don't like Kaito. Well, either way, I found a guy who can recreate the projection process of a Vocaloid concert. Pretty cool stuff, he did it in his home.  

This thread needs more Kaito. It also needs some more AVTecnNO! Uploaded by the great AVTechNO! himself:

I absolutely adore Vocaloid. I think the best part of Vocaloid is the music variety. Miku alone has over 36,000 originals. That is because she is insanely popular though, but imagine the number of songs with about 30 Vocaloids (I believe) and more to come. On top of that, people cover Vocaloid...