Euphonium are the tuba-euphonium quartet or larger tuba-euphonium ensemble; the brass quintet, where it can supply the tenor voice, though the trombone is much more common in this role; and other mixed brass ensemble. Such ensembles are almost non-existent: they are more likely to be semi-professional or amateur in nature. Most of the United States Armed Forces service bands include a tuba-euphonium quartet made up of players from the band that occasionally performs in its own right. The euphonium is not traditionally an orchestral instrument and has not been common in symphony orchestras. However, there are a few works from the
Hans Felix Husadel alto slide trombone. Tenor and baritone Tuba were modified so their bells faced forward, with the mechanics of the instruments adjusted to allow better handling while on the march. The traditional rotary valves on bass trumpets were also replaced with pump valves. The openings of the higher pitched brass instruments were narrowed to achieve greater sharpness and clarity of sound. The effect was to give Husadel's Luftwaffe bands a unique timbre with strong and varied middle voices. Husadel’s bands chose silver-plated instruments, giving them a modern look compared to the standard army and navy band instrument brass finishes. Husadel's Luftwaffe