The piece was composed on December 30, 1994 and the premier performance was by Musashino Academia Musicae Euphonium Tuba Ensemble on February 1995. The instrumentation is Solo Euphonium, 2
Euphoniums and 2 Tubas.
The solo euphonium player was Miss. Miho Ofusa who teaches at Musashino Academia Musicae.
Tubium is a coined word by Euphonium and Tuba. The degree of difficulty is higher.