Louis Hector Berlioz (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 great contributions to the modern orchestra with his Treatise on Instrumentation and by utilizing huge orchestral forces for his works, sometimes calling for over 1,000 performers. At the other extreme, he also composed around 50 songs for voice and piano. 固opFoto