Trombone so the name means "large trumpet". The trombone has a predominantly cylindrical bore like its valved counterpart the baritone and in contrast to its conical valved counterparts, the cornet, the euphonium, and the French horn. The most frequently encountered trombones are the tenor trombone and bass trombone. The most common variant, the tenor, is a non-transposing instrument pitched in B, an octave below the B trumpet and an octave above the pedal B tuba. The once common E alto trombone became less widely used as improvements in technique extended the upper range of the tenor, but it is now enjoying
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