Makkinney Wirt ​​playing on mentarise.
Instrument converts thoughts into music and images. Image - a hologram, but skilled musician, can be directly through mentaris transmit signals to the brain targeted creature (of course, due to the stress and limit of consciousness of their number is very limited.)

P.S. Yeah, I know about golofon from Futurama, and something similar in the novels of A. Azimov. :Р

Used machine translation.