Alright, ‘fess up – sometimes, when you’re walking down the street late at night, you wish that you could tap your shoes to make music. It’s alright, don’t be shy – secretly, everybody who’s ever seen the video for “Billie Jean” wishes that. Thankfully, a trio of people have deigned to make your wish your come true with Beat Feet, a system that turns an ordinary pair of tap shoes into a synthesizer. The contraption works by attaching pressure sensors to a pair of shoes, which relay their information to a complex bit of software via a module that the team chose to put on a rather spiffy hat – which, in the…