Data Garden – a music label, which specializes in biofeedback music has created a device, that will let your plants record music. And that’s not a joke: the device description says: “two probes that can be used to measure small electrical currents across the surface of human skin or a plant’s leaf. When applied to a human this is called galvanic skin response (GSR). GSR readings provide insight into humans’ inner emotional states and are the basis of simple lie detector circuits. Our technology converts these fluctuations into note and control messages that can be read by synthesizers and computers to generate music and even video.”
You can sugn up to purchase a MIDI Sprout here

That’s not the first time that the skin is used to create sound. A few years ago, Dmitry Morozov invented a way to listen to what is tattooed on someone’s body.
He tattooed a minimalist bar code-alike scheme on his arm and built a device that reads it and transfers the reading into sound, that can be anything – from a theremin squeal to a guitar feedback. If he doesn’t like the sound that the tattoo transfers to the reading device, he can simply re-program the device.