Keyed bugle

Keyed bugle

Keyed bugle, c. 1830
Brass instrument
Other names	Royal Kent bugle Kent bugle French: bugle à clefs German: Klappenhorn, Klappenflügelhorn Italian: cornetta a chiavi
Classification	Aerophone Brass instrument
Hornbostel–Sachs classification	423.21 (lip-reed aerophone with keys)
Developed	19th century
Playing range
Range of the keyed bugle in C
Related instruments
Bugle Keyed trumpet Flugelhorn Cornet Ophicleide

The keyed bugle (also Royal Kent bugle, or Kent bugle) is a high-pitched brass instrument with a wide conical bore and tone holes operated by keys to alter the pitch and provide a full chromatic scale. It was developed from the bugle around the year 1800 and was popular in military bands in Europe and the United States in the early 19th century, and in Britain as late as the 1850s, by which time it had been superseded by the flugelhorn and cornet after the invention of valves.