Play with interactive squid skin online
In addition, he created a webpage where people online can also play with the effect as well. Go to http://distantshape.com/experiments/squid/ to check it out. Move your mouse cursor over the "chromophores" and click around to see the chromophores expand and pulsate.
For those that missed it, here is the video where squid chromophores pulse to Cypress Hill's Insane in the Membrane: