Euphonium Concerto. The Euphonium Concerto was commissioned by the Euphonium Foundation UK and was written for, and dedicated to, David Childs. This three-movement work, lasting some 22 minutes, is a truly symphonic work in both its structure and scale. Its three movements, subtitled Dialogues, Song without Words, and A Celtic Bacchanal, explore the full range of the technical, musical, and emotional scope of the euphonium.