Tenor horn horn is a valved brass instrument (in E) which has a predominantly conical bore like the baritone horn and flugelhorn. It uses a deep funnel- or cup-shaped mouthpiece. The tenor horn's conical bore and deep mouthpiece produce a mellow, rounded tone which is often used as a middle voice, supporting the melodies of the trumpets, cornets or flugelhorns, and filling the gap above the lower tenor and bass instruments (the trombone, baritone horn, euphonium and tuba). Its valves are typically, though not exclusively, piston valves. The tenor horn has been made and is made in various shapes: the most common
Tenor cornett about the sound of the tenor cornett; he describes it as "bullocky and horn-like" in his "Syntagma Musicum" of 1619. He suggests that a trombone is to be preferred and the alto and tenor voices of cornett and trombone ensembles was usually played on trombones. However, tenor cornetts seem to have been common enough and composers like Gabrieli, Lassus, Hassler and Schütz (the fourth cornetto part of the "Psalmen Davids" of 1619 requires a tenor cornett) frequently made use of this instrument. Christopher Monk speculates that Praetorius heard the instrument played rather badly on several occasions. The "In Dulci Jubilo