Vehicle horn England, developed a standard electric car horn in 1910. Car horns are usually electric, driven by a flat circular steel diaphragm that has an electromagnet acting on it in one direction and a spring pulling in the opposite direction. The diaphragm is attached to contact points that repeatedly interrupt the current to that electromagnet causing the diaphragm to spring back the other way, which complete the circuit again. This arrangement opens and closes the circuit hundreds of times per second which creates a loud noise like a buzzer or electric bell, which sound enters a horn to be amplified. There
Alarm Will Sound layer, creating exhilaratingly complex instrumental textures, which Alarm Will Sound realise with great panache." Alarm Will Sound began their "St. Louis Season" in 2013 to complement their existing touring schedule and bring to the midwest the work they do around the country and abroad. The goal being to grow a local audience for contemporary performing arts. In St. Louis, AWS has presented concerts at The Sheldon Concert Hall, the Touhill Performing Arts Center and The Pageant. In the 2013-2014 season, Alarm Will Sound partnered with The Metropolitan Museum of Art and became artists-in-residence at the institution. Their season at the