Question: Are both Gaspare Spontini and Arnold Schoenberg Austrian composers?

Context articles: Arnold Schoenberg
La vestale
Maiolati Spontini
Arnold Schoenberg Choir
Gaspare Spontini
Milton (opera)
Agnes von Hohenstaufen
Olimpie
List of operas by Gaspare Spontini
Fernand Cortez

Arnold Franz Walter Schoenberg or Schönberg ( ; ] ; 13 September 187413 July 1951) was an Austrian composer, music theorist, and painter.
 He was associated with the expressionist movement in German poetry and art, and leader of the Second Viennese School.
 With the rise of the Nazi Party, Schoenberg's works were labelled degenerate music, because they were modernist, atonal and what even Paul Hindemith called "sonic orgies" and "decadent intellectual efforts".
 He emigrated to the United States of America in 1934.
La vestale ("The Vestal Virgin") is an opera composed by Gaspare Spontini to a French libretto by Étienne de Jouy.
 It takes the form of a "tragédie lyrique" in three acts.
 It was first performed on 15 December 1807 by the Académie Impériale de Musique (Paris Opera) at the Salle Montansier, and is regarded as Spontini's masterpiece.
 The musical style shows the influence of Gluck and looks forwards to the works of Berlioz, Wagner and French Grand Opera.
Maiolati Spontini is a "comune" (municipality) in the Province of Ancona in the Italian region Marche, located about 35 km southwest of Ancona.
 It is the birthplace of musician Gaspare Spontini, whose name has been conjoined with the commune's ancient name, Maiolati.
The Arnold Schoenberg Choir (German: "Arnold Schoenberg Chor" ) is a Viennese/Austrian choir which was founded 1972 by Erwin Ortner, who is still its artistic director.
 The choir has a high reputation both among conductors and among critics and the musical scene in general.
 All members of the choir have broad experience and expertise in vocal music; most of them have graduated from or are currently studying at the Vienna University of Music and Performing Arts.
 The choir is named after Viennese composer Arnold Schoenberg.
Gaspare Luigi Pacifico Spontini (14 November 177424 January 1851) was an Italian opera composer and conductor.
Milton is an opéra comique in one act by Gaspare Spontini.
 The French libretto, by Victor-Joseph Étienne de Jouy and Armand-Michel Dieulafoy, is based on the life of the English poet John Milton.
 "Milton" was first performed on 27 November 1804 by the Opéra-Comique at the Salle Feydeau in Paris .
 It was Spontini's first major success in France.
 The composer planned a reworked version for performances in Germany, under the title "Das verlorene Paradies" ("Paradise Lost"), but in the event it was never staged.
Agnes von Hohenstaufen is an opera in three acts by the Italian composer Gaspare Spontini.
 The German libretto is by Ernst Benjamin Salomo Raupach.
 It was first staged at the Königliches Opernhaus, Berlin, on 12 June 1829.
 Raupach categorised "Agnes von Hohenstaufen" as a "historical-romantic" opera and it is one of a number of German works of the time set in the Middle Ages (others include Weber's "Euryanthe", Wagner's "Tannhäuser" and "Lohengrin" and Schumann's "Genoveva").
 "Agnes" also contains many of the features that would be characteristic of French Grand Opera.
 Spontini substantially reworked the piece for a revival in 1837.
Olimpie (also spelled Olympie) is an opera in three acts by Gaspare Spontini.
 The French libretto, by Armand-Michel Dieulafoy and Charles Brifaut (1781–1857), is based on the play of the same name by Voltaire (1761).
 "Olimpie" was first performed on 22 December 1819 by the Paris Opéra at the Salle Montansier.
 When sung in Italian or German, it is usually given the title Olimpia.
Gaspare Spontini (1774–1851) wrote operas from the last decade of the 18th century to the third decade of the 19th century.
Fernand Cortez, ou La conquête du Mexique ("Hernán Cortés, or The Conquest of Mexico") is an opéra in three acts by Gaspare Spontini with a French libretto by Etienne de Jouy and Joseph-Alphonse d’Esmenard.
 It was first performed on 28 November 1809 by the Académie Impériale de Musique (Paris Opera) at the Salle Montansier.