Par CURNOW JAMES. The composition begins with the solo tuba stating the four notes (F, Bb, G, C) on which the entire piece is based. All other themes, and much of the harmony, are built on these four notes and their permutations. There are four main sections, with a brief cadenza before the last movement / Niveau : 4 / Pièce de concert / Répertoire / Concert Band et Tuba