Music meets technology. You can play a musical instrument without actually using the instrument. Designers developed a gadget 'Soundbrace' a wearable musical gadget which can adapt to the musical calibration.So, you need to play the instrument by wearing this gadget for the first time. The device registers all the frequencies and the finger movements accordingly. Later on, just wearing this gadget is enough to play the instrument, thus making an invisible musical instrument. How cool!