The euphonium is a medium-sized, conical-bore, tenor-voiced brass instrument
that derives its ... Nearly all current models have piston valves, though some
models with ... 2 History and development; 3 Construction and general
characteristics .... In continental European band music, parts for the euphonium
may be written in ...
Opus Corsair Bb Euphonium 3 Piston Upright Bell
Opus Corsair Bb Euphonium 3 Piston Upright Bell - This Euphonium has 4
Pistons and has hand-lapped pistons and slides are airtight and have smooth