For 10 points, name this French composer of Symphonie Fantastique.
This composer's Messe Solennelle was recycled into his Te Deum, while that mass was scrapped from a symphony honoring Napoleon. This composer's virtuosity in conducting led him to author Treatise on Instrumentation. His own Requiem honors those who died during the July Revolution and calls for four offstage brass bands. The "Orgy of Brigands" movement marks the end of a work for viola and orchestra that was composed while he was staying in Abruzzo, Harold in Italy. The first movement of his most notable piece depicts "reveries and passions" and concludes with a dream depicting "the witches sabbath." That orchestral work depicts Harriet Smithson with an idee fixe. For 10 points, name this French composer of Symphonie Fantastique.
This composer's Messe Solennelle was recycled into his Te Deum, while that mass was scrapped from a symphony honoring Napoleon.
Hector Berlioz