The klaxophone is a

musical instrument A musical instrument is a device created or adapted to make musical sounds. In principle, any object that produces sound can be considered a musical instrument—it is through purpose that the object becomes a musical instrument. A person who pl ...

created by the American composer

Henry Fillmore Henry Fillmore (December 3, 1881 – December 7, 1956) was an American musician, composer, publisher, and bandleader, best known for his many marches and screamers, a few of which he wrote for the Band of the Hour at the University of Miami in ...

. Made of twelve

car horn A horn is a sound-making device that can be equipped to motor vehicles, buses, bicycles, trains, trams (otherwise known as streetcars in North America), and other types of vehicles. The sound made usually resembles a "honk" (older vehicles) or ...

s, it was created for use in his

march March is the third month of the year in both the Julian and Gregorian calendars. It is the second of seven months to have a length of 31 days. In the Northern Hemisphere, the meteorological beginning of spring occurs on the first day of Marc ...

''The Klaxon: March of the Automobiles'', which was composed in 1929 for the 1930

Cincinnati Cincinnati ( ) is a city in the U.S. state of Ohio and the county seat of Hamilton County. Settled in 1788, the city is located at the northern side of the confluence of the Licking and Ohio rivers, the latter of which marks the state line wit ...

Automobile Show. This piece featured the instrument mounted onto a table and powered by a car battery.Anderson, Douglas D
"James Henry Fillmore"
''The Hymns and Carols of Christmas'', April 30, 2007. Accessed June 13, 2007.

References

Aerophones Experimental musical instruments {{Aerophone-instrument-stub