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
Ophicleide Ophicleide The ophicleide ( ) is a keyed brass instrument similar to the tuba. It is a conical-bore keyed instrument belonging to the bugle family and has a similar shape to the sudrophone. The instrument's name comes from the Greek word ophis (ὄφις) "serpent" + kleis (κλείς) "keys", since it was conceived of as a serpent with keys. Like the serpent, some found it difficult to play, and early twentieth-century musicians felt it had a somewhat unpredictable sound. The ophicleide was invented in 1817 and patented in 1821 by French instrument maker Jean Hilaire Asté (also known as Halary or