Brass instrument can be very useful for a 1st or 3rd horn player, who uses the F side less. Another approach was the addition of two sets of slides for different parts of the range. Some euphoniums and tubas were built like this, but today, this approach has become highly exotic for all instruments except horns, where it is the norm, usually in a double, sometimes even triple configuration. Some valved brass instruments provide triggers or throws that manually lengthen (or, less commonly, shorten) the main tuning slide, a valve slide, or the main tubing. These mechanisms alter the pitch of notes
Tenor horn Tenor horn The tenor horn (British English; alto horn in American English, Althorn in Germany; occasionally referred to as E horn) is a brass instrument in the saxhorn family, and is usually pitched in E. It has a bore that is mostly conical, like the flugelhorn and baritone horn, and normally uses a deep, cornet-like mouthpiece. It is most commonly used in British brass bands, whereas the French horn tends to take the corresponding parts in concert bands and orchestras. However, the tenor horn has occasionally been used as an alternative to the French horn in concert bands. The tenor