flugelhorn
The flugelhorn is a brass instrument in the valved bugle family. It has the same valve system and tubing length as a trumpet, but its conical bore, which widens from the mouthpiece to the bell, gives it a mellower, darker tone compared to the brighter sound of the trumpet. The flugelhorn is typically pitched in B♭, like the trumpet, meaning it sounds a major ninth lower than written. Its name is derived from the German word "flügel," meaning wing, possibly referring to the instrument's origins as a cavalry horn or its wing-shaped bell.
While visually similar to a trumpet, the flugelhorn is distinguished by its larger bell flare and often