Drei Klavierstücke, Op. 11 (or Three Piano Pieces) is a set of pieces for solo piano written by the Austrian composer Arnold Schoenberg in 1909.
 They represent an early example of atonality in the composer’s work.
 The tempo markings of the three pieces are:
Der Golem is an opera in three acts by composer Eugen d'Albert.
 The work uses a German language libretto by Ferdinand Lion after Arthur Holitscher's "Der Golem: Ghettolengende in drei Aufzügen".
 The opera premiered on 14 November 1926 at the Alte Oper in Frankfurt under conductor Clemens Krauss.
Karlheinz Stockhausen (] ; 22 August 1928 – 5 December 2007) was a German composer, widely acknowledged by critics as one of the most important (; ; ; ) but also controversial composers of the 20th and early 21st centuries.
 A critic calls him "one of the great visionaries of 20th-century music" .
 He is known for his groundbreaking work in electronic music, for introducing controlled chance (aleatory techniques or aleatoric musical techniques) into serial composition, and for musical spatialization.
A Faust Symphony in three character pictures (German: "Eine Faust-Symphonie in drei Charakterbildern" ), S.108, or simply the "Faust Symphony", was written by Hungarian composer Franz Liszt and was inspired by Johann Wolfgang von Goethe's drama, "Faust".
 The symphony was premiered in Weimar on September 5, 1857, for the inauguration of the Goethe–Schiller Monument there.
Ralph Benatzky (5 June 1884 – 16 October 1957), born in Moravské Budějovice as Rudolf Josef František Benatzki, was an Austrian composer of Czech origin (when Benatzky was born Bohemia was part of the Austrian Empire; Benatzky mostly worked in Vienna).
 He composed operas and operettas, such as "Casanova" (1928)", Die drei Musketiere" (1929), "Im weißen Rössl" (1930) and "Meine Schwester und ich" (1930).
 He died in Zürich, Switzerland.
Drei Lieder (Three Songs), for alto voice and chamber orchestra, is a song cycle by Karlheinz Stockhausen, written while he was still a conservatory student in 1950.
 In the composer's catalogue of works, it bears the number /.
Eduard Reuss (16 September 1851 - 18 February 1911) was a German composer, pianist, music educator, and writer on music.
 He is best known for his writings on composer Franz Liszt, including a highly thought of biography "Ein Lebensbild" (1898).
 He also authored the book "Liszts Lieder" (1906) and penned several essays on the life and works of Liszt.
 As a composer, he mainly produced works for solo piano and also made arrangements of several works by Liszt.
Three Fantasy Pieces ("Drei Fantasiestücke") for Clarinet and Piano, Op. 73, were written in 1849 by the German composer Robert Schumann.
 Though they were originally intended for clarinet and piano, Schumann indicated that the clarinet part could be also performed on viola or cello.
Three Fantasies after Friedrich Hölderlin (German: "Drei Phantasien nach Friedrich Hölderlin" ) is a 1982 collection of pieces for 16 voices by Hungarian composer György Ligeti.
 It was premiered in Stockholm on September 23, 1983, by the Swedish Radio Choir, under the baton of Eric Ericson, to whom it was dedicated.
 It was published by Schott Music.
Anderswelt is the sixth album released by the German Medieval folk rock band Schandmaul on April 4, 2008.
 It was recorded from October 2007 to January 2007 at Turnstyle Studio, Berlin, and the HOFA Studios in Karlsdorf and was produced by Thomas Heimann-Trosien.
 The album contains 14 tracks, including an instrumental, "Fiddlefolkpunk".
 Thematically, the album focusses on creatures of mythology like sirens ("Sirenen"), werewolves ("Wolfsmensch") and spirits (as in "Stunde des Lichts").
 The track "Drei Lieder" (Three Songs) tells of a young bard who participates in a singers' competition to take revenge on the prince who once destroyed his native village and killed his only brother.
 "Die Königin" (The Queen) is about a bewitched woman who was once good-natured but has been turned into a dragon.
 The track "Anderswelt"(Other-world) deals with mysterious sightings of figures from the Other-world who were spotted near a Celtic shrine.

Question: What nationality was the composer of Drei Lieder?
Answer: German