Clarion is a name for a high-pitched trumpet used in the Middle Ages and the Renaissance. It is also a name for a 4' organ reed stop that produces a high-pitched or clarion-like sound on a pipe organ in the clarion trumpet's range of notes.
The word clarion has changed meanings over centuries and across languages. Today, in modern French clairon refers to the bugle, while in Italy chiarina refers to modern trumpets of historic design, made from bent tubing and without valves, similar to the natural trumpet. Resembling these instruments is the modern fanfare trumpet, like the chiarina or natural trumpet, but with the option of using valves.
