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
Pitch of brass instruments valve that puts it into E, and when combined, these put the instrument into the key of B. The B contrabass is often fitted with a valve in F and has been fitted with both a valve in F and G, so that it matches its bass trombone counterpart, but is pitched an octave lower. See Types of trombones The bass tuba is commonly available in F and E, while contrabass tubas are available in C and B. Pitch of brass instruments The pitch of a brass instrument is determined by its vibratory length, which determines the fundamental frequency of