This summer I want to start working on an air horn piano although it will work more like an organ. it will have keys that push air to a corresponding horn and there will be a pedal that changes how much air goes in to adjust velocity.It will be the most irritating instrument ever created right next to the theremin.Where can I buy horns that will replicate an air horn sound? they also need to come in several different sizes for pitch via /r/DIY http://ift.tt/2IxJkeU
