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
Roman tuba Gaul," The Pennsylvania State University. 2.John Ziolkowski, The Roman Bucina: A Distinct Musical Instrument? Roman tuba The "tuba" of ancient Rome is a military signal trumpet, quite different from the modern tuba. The "tuba" (from Latin "tubus", "tube") was produced around 500 BC. Its shape was straight, in contrast to the military "buccina" or "cornu", which was more like the modern sousaphone in curving around the body. Its origin is thought to be Etruscan, and it is similar to the Greek salpinx. About four feet in length, it was made usually of bronze, and was played with a detachable mouthpiece.