In the last decade Luxembourgian composers have written a vivid body of orchestral music that takes in a wide range of inspirations. Ivan Boumans explores the field of biology in Meiosis where the music undergoes transformations, whereas for Roland Wiltgen it is celestial mechanics that drives Orbital Resonances. The idea of transformation is also important to Marco P�tz as he generates exciting 'chordal clusters'. Inspired by a fresco, Jeannot Sanavia's H�lice is a study in agitation, while Tatsiana Zelianko charts the death and rebirth of a butterfly in music of passionate drama.