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
Horn (instrument) was challenged by rival instrument makers during his lifetime. Throughout the mid-1850s, he continued to experiment with the instrument's valve pattern. Later makers, particularly in America, altered the scale and designs sometimes to such an extent as to make it difficult to determine whether the larger sizes of the resulting instruments actually have descended from the saxhorn or the tuba. The tenor and baritone horns, amongst other sizes of instruments used in British brass bands, are members of the saxhorn family. The Wagner tuba is a rare brass instrument that is essentially a horn modified to have a larger bell