Tuba as is the case with Berlioz). In most of Europe, the F tuba is the standard orchestral instrument, supplemented by the CC or BB only when the extra weight is desired. Wagner, for example, specifically notates the low tuba parts for "Kontrabasstuba," which are played on CC or BB tubas in most regions. In the United Kingdom, the E is the standard orchestral tuba. The euphonium is sometimes referred to as a tenor tuba and is pitched in B, one octave higher than the BB contrabass tuba. The term "tenor tuba" is often used more specifically to refer to B
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