In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

Several of his early works, including such operas as Cleonice, Demofoonte, and Artaserse, were written with librettist Pietro Metastasio. He had begun composing an opera based on the Song of Roland, but the discovery that Niccolo Piccini was given the same libretto to work on sparked a rivalry in the Parisian press and motivated him to compose Armide. Collaboration with the librettist Calzabigi resulted in the composition of the ballets Semiramide and Don Juan, as well as an opera featuring the "Dance of the Blessed Spirits" and another in whose preface he declared his intent to "restrict music to its true office of serving poetry. " FTP, identify this German classical composer of "reform" operas such as Alceste and Orfeo et Euridice.
Fine Arts

revolt in this city was caused by the working class Cabochiens. Abbo Cernuus provides the only account of the siege of this city in 885, which saw the appearance of Rollo, who later became Robert I of Normandy, command the besieging forces. This Western European city contains a building built to house the Crown of Thorns bought from the Byzantines. In addition to La Sainte-Chapelle, this city saw the Day of the Barricades, forcing Henry III out of this (*) Catholic city. It was extensively renovated under Baron Haussmann. and besieged during the Franco-Prussian War. For 10 points, name this city, the home of the Louvre and capital of France.
History

In bulk metals, this effect explains field electron emission and is described by the Fowler-Nordheim type\n equations. Erasing a NOR flash cell is dependent on this effect occurring in the floating gate, and this effect\n can be used to achieve negative differential resistance in a particular type of diode named for Esaki. This\n phenomenon results in the production of a current in the DC Josephson effect. Alpha decay is governed by\n this process, in which a particle's Schrodinger equation is represented as a decaying exponential function.\n For 10 points, name this phenomenon of quantum mechanics in which a particle can go through a\n classically forbidden region.

Science