We give a lot of talks about Synesthesia, and it can be hard to describe for those that don't have any form of it. In order to demonstrate Kaitlyn's "Pitch -> Color" Synesthesia, we made a violin powered synesthesia Light Show that demonstrates the colors she sees in real time.

Us performing at The World Science Festival:

An early concept we made for the light show:

If you want to see what this kind of synesthetic experience looks like in 3D, check out this great video we got to work on with The Discovery Channel!