Vehicle horn horn. Bicycles often have a classic "bulb horn", operated by squeezing a rubber bulb attached to a metal horn. Squeezing the bulb forces air through a steel reed located in the throat of the horn, making it vibrate, producing a single note. The flaring horn matches the acoustic impedance of the reed to the open air, radiating the sound waves efficiently, making the sound louder. Other types of horns used on bicycles include battery-operated horns (sometimes even car horns on 12-volt circuits are incorporated) and small air horns powered by a small can of compressed gas. Oliver Lucas of Birmingham,
A Loud Silence direction. The album was entirely recorded in Renato's house, using a laptop and a microphone, thus the sound presents a very "lo-fi" characteristic. In a 2017 interview with "esQrever", Freitas said that music was the key factor that helped him coming out as tansgender, citing "A Place for the Ghosts" and "The Weight of the World" as songs that reflect his struggles with gender identity, describing the first as an "inner battle between genders". Track listing attained from the label's website. A Loud Silence A Loud Silence is the first studio album by the Portuguese singer-songwriter and producer Renato Freitas,