Question: What was the original title of the opera in which Placido Domingo first appeared in 1961?  

Context paragraphs:
Uroš Petrović: Uroš Petrović (Serbian cirilic Урош Петровић) is a Serbian writer (born April 8, 1967, in Gornji Milanovac, Socialist Republic of Serbia within Yugoslavia, now Serbia), best known for his unusual novels, "Riddle Tales I - V" (Original title – "Zagonetne priče") serial, "Mysteries of Ginkgo Street" (Original title – "Misterije Ginkove ulice") and the first Serbian horror for children " The Fifth Butterfly" (Original title – "Peti leptir").  "Dark Secrets of Ginkgo Street" and "Marta's Great Mysterious Adventure" are also an innovative form - "a novels made of riddles".  Awarded for books and photographs.  Chairman of Serbian Mensa (2008.  - 2013.) .  Founder of Mensa World Photo Cup.

La traviata: La traviata (] , The Fallen Woman) is an opera in three acts by Giuseppe Verdi set to an Italian libretto by Francesco Maria Piave.  It is based on "La Dame aux Camélias" (1852), a play adapted from the novel by Alexandre Dumas, fils.  The opera was originally titled "Violetta", after the main character.  It was first performed on 6 March 1853 at the La Fenice opera house in Venice.

Jim Button and Luke the Engine Driver: Jim Button and Luke the Engine Driver (original title: Jim Knopf und Lukas der Lokomotivführer) is a German children's novel written by Michael Ende.  Published in 1960, it became one of the most successful German children's books in the postwar era after having first been rejected by a dozen publishers.  It received the German Young Literature Prize in 1961 and has been translated into 33 languages.  Its huge success later spawned the sequel "Jim Button and the Wild 13" (original title: "Jim Knopf und die Wilde 13").

Pleasantly Surprised (TV series): Pleasantly Surprised (), also known as Love Myself or You, is a 2014 Taiwanese romantic-comedy television series produced by Sanlih E-Television.  Starring Puff Guo and as the main leads, with Jolin Chien and Lene Lai as the main supporting leads.  The original title has a double meaning which literally translates to "Like Someone" or "Like To Be Alone", depending how it's read.  Original title during development of the drama was "Love Met Cupid 愛情遇見邱比特", the title was then changed to "Love Myself or You 喜歡·一個人" during start of production.  The English title was once again renamed "Pleasantly Surprised" right before the drama began airing.  Filming took place from April 23 to October 13, 2014 and was filmed as the drama aired.  First original broadcast began May 23, 2014 on SETTV channel airing every Friday at 10:00-11:30 pm.  Final episode was aired on October 17, 2014, with 22 episodes total.

The Hour of the Dragon: The Hour of the Dragon, also known as Conan the Conqueror, is a fantasy novel by American writer Robert E. Howard featuring his sword and sorcery hero Conan the Cimmerian.  It was one of the last Conan stories published before Howard's suicide although not the last to be written.  The novel was first published in serial form in the December, 1935 through April, 1936 issues of the pulp magazine "Weird Tales".  The first book edition was published by Gnome Press in hardcover in 1950.  The Gnome Press edition retitled the story "Conan the Conqueror", a title retained by all subsequent editions until 1977, when the original title was restored in an edition issued published by Berkley/Putnam in 1977.  The Berkley edition also reverted the text to that of its original "Weird Tales" publication, discarding later edits.  Later editions have generally followed Berkley and published under the original title.  The 1997 film "Kull the Conqueror" is loosely based on "The Hour of the Dragon", replacing Conan with Kull but otherwise keeping the same basic plot.

Turid Karlsen: Turid Karlsen (born 1961) is a Norwegian operatic soprano and voice teacher who has had an active international performing career since the 1980s.  Known for her portrayals of roles from the dramatic soprano repertoire, she won the Kirsten Flagstad Prize in 2004 for her portrayal of Senta in Richard Wagner's "Der Fliegende Holländer" with the Norwegian National Opera.  During her career, she has performed under the batons of several notable conductors, including Daniel Barenboim, Dennis Russell Davies, Placido Domingo, Hartmut Haenchen, Kent Nagano, and Michael Tilson Thomas.  She is currently a professor of vocal music at the Hochschule für Musik und Theater Hamburg.

Plácido Domingo discography: Plácido Domingo has made hundreds of opera performances, music albums, and concert recordings throughout his career as an operatic tenor.  From his first operatic leading role as Alfredo in "La traviata" in 1961, his major debuts continued in swift succession: "Tosca" at the Hamburg State Opera and "Don Carlos" at the Vienna State Opera in 1967; "Adriana Lecouvreur" at the Metropolitan Opera, "Turandot" in Verona Arena and "La bohème" in San Francisco in 1969; "La Gioconda" in 1970; "Tosca" in Royal Opera House, Covent Garden in 1971; "La bohème" at the Bavarian State Opera in 1972; "Il trovatore" at the Paris Opéra in 1973 and "Don Carlo" at the Salzburg Festival in 1975, "Parsifal" in 1992 at the Bayreuth Festival; and the list continues until today; the same role is often recorded more than once.

The Galton Whistle: "The Galton Whistle" is a science fiction short story by American writer L. Sprague de Camp, a story in his "Viagens Interplanetarias" series.  It is the first (chronologically) set on the planet Vishnu.  It was first published, as "Ultrasonic God," in the magazine "Future Combined with Science Fiction Stories" in the issue for July, 1951.  It first appeared in book form under the present title (that preferred by the author) in the collection "The Continent Makers and Other Tales of the Viagens", published in hardcover by Twayne Publishers in 1953, and in paperback by Signet Books in 1971.  It also appeared in the anthologies "Novelets of Science Fiction" (Belmont Books, 1963, under the original title), "The Good Old Stuff" (St. Martin's Griffin, 1998), and "The Good Stuff" (Science Fiction Book Club, 1999).  The story has been translated into Portuguese, Dutch, and Italian.

Nick Ariondo: Nicholas Ariondo is an American accordionist, pianist, and composer.  He is known for his work with various singers, such as Paul McCartney and Placido Domingo.  A double Grammy Award winner with the Los Angeles Opera Orchestra, he became the first American to be awarded Italy's Ancona Prize for his "Kalamatiano for Viola & Free-bass Accordion" (ACCO-Music Publishing).  As accordionist-composer, he received over twenty awards from the American Society of Composers, Authors and Publishers (ASCAP) for his compositions and performances.  He performs classical, jazz, and world music.  Bill Palmer, historian, pianist, accordionist, composer, and editor for Alfred Music Publishing, nominated Ariondo for the International Who's Who in Music.

Kevin Anderson (tenor): Kevin Paul Anderson is an American operatic tenor.  He has had a national and international singing career since the late 1980s, and in 1988 appeared as Don Alvar alongside Placido Domingo and Shirley Verrett in the San Francisco Opera's televised production of "L'Africaine".

Supporting paragraphs: Plácido Domingo discography La traviata
Answer: "Violetta"