Die tote Stadt (German for "The Dead City") is an opera in three acts by Erich Wolfgang Korngold to a libretto by Paul Schott, a collective pseudonym for the composer and his father, Julius Korngold; it is based on the 1892 novel "Bruges-la-Morte" by Georges Rodenbach.
Robin Hood is a ballet created by choreographer and artistic director Paul Vasterling for the Nashville Ballet in 1998.
 The full-length ballet is in two acts and contains the music of Erich Wolfgang Korngold.
 Although Korngold wrote music to the 1938 movie "The Adventures of Robin Hood", no music from the film is used in the ballet.
 Korngold’s early chamber music is used, as well as his "Theme and Variations" and movements from both his "Symphony" and "Violin Concerto".
 The suite "Much Ado About Nothing" is used extensively in both acts and concludes the ballet.
Violanta is a one-act opera by Erich Wolfgang Korngold.
 The libretto is by the Austrian playwright Hans Müller-Einigen.
 It is Korngold's second opera, written when he was only seventeen years old.
Erich Wolfgang Korngold (May 29, 1897 – November 29, 1957) was an Austrian-born composer and conductor.
 A child prodigy, he became one of the most important and influential composers in the history of Hollywood.
 He was a noted pianist and composer of classical music, along with music for Hollywood films, and the first composer of international stature to write Hollywood scores.
George Korngold (December 17, 1928 in Vienna, Austria – November 25, 1987 in Los Angeles, California) was a prominent record producer as well as a music editor and producer active within the film industry.
 He was the younger son of Austrian composer Erich Wolfgang Korngold.
"Glück das mir verblieb " (German for "Joy, that near to me remained") is a duet from the 1920 opera "Die tote Stadt" ("The Dead City") composed by Erich Wolfgang Korngold to a libretto by his father Julius Korngold as Paul Schott.
 It is written for a soprano and tenor.
 Also called the "Lute Song", it appears in act 1, approx. 25 minutes into the opera.
 For performances as a concert aria, a soprano will sing both parts.
The Symphony in F-sharp major, Op. 40, is the only symphony written by the 20th-century Austrian composer Erich Wolfgang Korngold, though he also wrote a "Sinfonietta", Op. 5, in 1911-12.
Julius Korngold (December 24, 1860 – September 25, 1945) was a noted music critic.
 He was regarded as the top critic in Vienna in the early twentieth century, when that city was viewed as the centre of classical music.
 He is most notable for championing the works of Gustav Mahler at a time when many did not think much of him.
 He was the father of composer Erich Wolfgang Korngold, who wrote the libretto of the opera "Die tote Stadt" (under the pseudonym Paul Schott).
The Sinfonietta in B major, Op. 5, is the first large-scale orchestral work written by the 20th-century Austrian composer Erich Wolfgang Korngold.
 Korngold began sketching the work in the spring of 1912 (about a year after his childhood mentor, Gustav Mahler, died), just before his 15th birthday and finished the sketches in August 1912.
 The orchestration of it dragged on for another year, until September 1913, by which time Korngold had composed his Violin Sonata, Op. 6, and had begun his first opera "Der Ring des Polykrates", Op. 7.
 The "Sinfonietta" was premiered in Vienna on 30 November 1913 under the direction of Felix Weingartner (to whom the work is dedicated, in thanks to his support of Korngold), and was a sensational success, resulting in further performances all over Europe and America.
Der Ring des Polykrates ("The Ring of Polykrates"), Op.
 7, is a one-act opera by Erich Wolfgang Korngold.
 The libretto, written by Leo Feld and reworked (unattributed) by the composer's father Julius Korngold, is based on a drama by .

Question: What country of origin does Symphony in F-sharp major and Erich Wolfgang Korngold have in common?
Answer: Austrian