Which composer created Requiem which was commissioned by Soli Deo Gloria for the 2003 bicentennial of the birth of French composer Hector Berlioz?
Hector Berlioz Louis-Hector Berlioz (] (English: ); 11 December 1803 – 8 March 1869) was a French Romantic composer, best known for his compositions "Symphonie fantastique" and "Grande messe des morts" (Requiem). Berlioz made significant contributions to the modern orchestra with his "Treatise on Instrumentation". He specified huge orchestral forces for some of his works, and conducted several concerts with more than 1,000 musicians. He also composed around 50 songs. His influence was critical for the further development of Romanticism, especially in composers like Richard Wagner, Nikolai Rimsky-Korsakov, Franz Liszt, Richard Strauss, and Gustav Mahler.
Orchestre Lamoureux The Orchestre Lamoureux (] ) officially known as the Société des Nouveaux-Concerts and also known as the Concerts Lamoureux) is an orchestral concert society which once gave weekly concerts by its own orchestra, founded in Paris by Charles Lamoureux in 1881. It has played an important role in French musical life, including giving the premieres of Emmanuel Chabrier's "España" (1883), Gabriel Fauré's "Pavane" (1888), Claude Debussy's "Nocturnes" (1900 and 1901) and "La mer" (1905), Maurice Ravel's "Menuet antique" (1930) and "Piano Concerto in G major" (1932).