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
Low Brass Concerto low brass soloists consist of two tenor trombones, bass trombone, and tuba. They are accompanied by a large orchestra consisting of two flutes, two oboes, clarinet, bass clarinet, bassoon, contrabassoon, four horns, three trumpets, timpani, percussion, and strings. Reviewing the world premiere, John von Rhein of the "Chicago Tribune" wrote, "The new work harnesses the signature strength of [the CSO's low brass section] in imaginative ways that allow them to function as a unit, duo, trio and individual voices, before her 17-minute, single-movement concerto charges to a rousing close." He added, "This is a big-shouldered Chicago brass blowout if there