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
Harlequin Brass Ensemble This idea was then further established by PJBE's successor's London Brass. The instrumentation is based on orchestral brass containing four trumpets (including Bb, Piccolo, Eb, D, C and flugelhorn as required), three tenor trombones, a bass trombone, a french horn and a tuba. This allows for a rich variety of sounds and styles, fitting perfectly to anything from Baroque music through to classical music, jazz, 'brass pop' and also moving forward with substantial contemporary works being written specifically for ten piece ensemble. Keiron Anderson became musical director of Harlequin Brass in 1999. Harlequin Brass Ensemble Harlequin Brass Ensemble based in