Techno Wavy Sound Waveforms T-Shirt Organic / RoyalFPC iconic acid house clothing and amazing t shirts and rave clothing, we are the bees knees of tees and more. Well we're certainly synthoholics at Future Past, so if you feel the same this a tee you can wear with pride. From analog to FM and everything in between, hardware and virtual we are the music makers. We are the robots! Premium tee with the basic analog waveforms; sawtooth, sine wave, triangle, square all in a slightly warped wave style.