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 musical artists from a variety of backgrounds together with Alarm Will Sound to create new work. In the 2014-2015 season the ensemble worked with Medeski Martin & Wood, Valgeir Sigurðsson, and Adult Fur (St. Louis-based producer). AWS presented two concerts in Colorado with Medeski Martin & Wood presenting new pieces by John Medeski, Billy Martin, Payton MacDonald, and Miles Brown (AWS bassist) as well as arrangements of MMW originals like "End of the World Party" and "Anonymous Skulls." A live album of this cooperation "Omnisphere" was released 14 September 2018. In the 2015-16 season Alarm Will Sound worked with Mira