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
Tenor horn rotary valves as opposed to the more common piston valves. Within a British brass band, the tenor horn section usually plays a unique part in the middle of the band, with the Solo Horn having frequent solo passages. However, it is less often featured as a solo instrument. The instrument's timbre, with little attack or resonance, as well as the parts it usually plays, makes the section difficult to hear individually, even in professional studio recordings. Despite this, the horn section contributes greatly to the rich mellow sound of a brass band. Tenor horns, especially those built in the middle