Euphonium repertoire euphonium was embraced from its earliest days by composers and arrangers in band settings, orchestral composers have generally not taken advantage of its capabilities. Nevertheless, there are several orchestral works, a few of which are in the standard repertoire, in which composers have called for a tenor tuba, a German "Tenorhorn"¹, a Wagner tuba, or a French tuba in C. In all of these cases, the composer's desired effect was that of "tenor-voiced, valved brass" instrument – and in many of these cases the euphonium is substituted for the called-for instrument, either because the instrument is obsolete (French C tuba),
Subcontrabass tuba probably during 1910 or 1911 and was destined for the World Exhibition in New York in 1913 (Green). This tuba is "playable," but two persons are needed: one to operate the valves and one to blow into the mouthpiece. Finally, Dr. Frederick Young plays a King BBb tuba that was converted into a double tuba (in BBb and EEE (natural)) by Dietrich Kleine-Horst (of the Herbert Gronitz Brass Instrument Company in Hamburg, Germany) in 1990. The BBb side is a contrabass tuba, and the EEE side is a subcontrabass tuba. Subcontrabass tuba The subcontrabass tuba is an extension of the