Question: Eugene Onegin and Venus and Adonis, is what type of item?

Context paragraphs:
Onegin (film): Onegin is a 1999 British-American romantic drama film based on Alexander Pushkin's novel in verse "Eugene Onegin", co-produced by British and American companies and shot mostly in the United Kingdom.  "Onegin" is Martha Fiennes' directorial debut and stars her brother Ralph Fiennes in the role of Yevgeny (Eugene) Onegin, Liv Tyler as Tatiana, Irene Worth as Princess Alina and Toby Stephens as Lensky.  Two other Fiennes siblings were involved in the project: Magnus Fiennes wrote the music and Sophie Fiennes appeared in a minor role.

Onegin stanza: Onegin stanza (sometimes "Pushkin sonnet") refers to the verse form popularized (or invented) by the Russian poet Alexander Pushkin through his novel in verse "Eugene Onegin".  The work was mostly written in verses of iambic tetrameter with the rhyme scheme "aBaBccDDeFFeGG", where the lowercase letters represent feminine endings (i.e., with an additional unstressed syllable) and the uppercase representing masculine ending (i.e. stressed on the final syllable).  For example, here is the first stanza of "Onegin" as rendered into English by Charles Hepburn Johnston:

Eugene Onegin: Eugene Onegin (Russian: Евге́ний Оне́гин , "Yevgeniy Onegin"; ] ) is a novel in verse written by Alexander Pushkin.

The Golden Gate (Seth novel): The Golden Gate (1986) is the first novel by poet and novelist Vikram Seth.  The work is a novel in verse composed of 590 Onegin stanzas (sonnets written in iambic tetrameter, with the rhyme scheme following the "ababccddeffegg" pattern of "Eugene Onegin").  It was inspired by Charles Johnston's translation of Pushkin's "Eugene Onegin".

Anna Nechaeva: Anna Nechaeva is Russian soprano singer who was born in Saratov and used attend its Conservatory in 1996.  Later she was offered to perform the role of "Tatiana" in "Eugene Onegin" at the Saint Petersburg Conservatory and by 2003 became a soloist at the Saint Petersburg Opera where she continued her original role as well as other title roles in Giacomo Puccini's "Gianni Schicchi", Madama Butterfly, and "Suor Angelica".  From 2008 to 2011 she became a soloist at the Mikhaylovsky Theatre where she performed roles of "Nedda" in "Pagliacci" and "Rachel" in "The Jews" as well as the title roles of "Rusalka" and of course "Tatiana" in "Eugene Onegin".  In 2012, she made her first public appearance with Bolshoi Theatre where she sang in "The Enchantress" portraying "Nastasya" becoming soloist there the same year.  After her debut, she performed such roles as "Iolanta" in an opera of the same name as well as "Liu" in "Turandot" and "Yaroslavna" in "Prince Igor".

Venus and Adonis (opera): Venus and Adonis is an opera in three acts and a prologue by the English Baroque composer John Blow, composed in about 1683.  It was written for the court of King Charles II at either London or Windsor.  It is considered by some to be either a semi-opera or a masque, but "The New Grove" names it as the earliest known English opera.

James E. Falen: James E. Falen is a professor emeritus of Russian at the University of Tennessee.  He published a translation of "Eugene Onegin" by Alexander Pushkin in 1990 which was also influenced by Nabokov's translation, but preserved the Onegin stanzas (ISBN  ).  This translation is considered to be the most faithful one to Pushkin's spirit according to Russian critics and translators.

Walter W. Arndt: Walter Werner Arndt (May 4, 1916-February 15, 2011) was a world-renowned scholar and translator of Russian, German and Polish.  At the time of his death, he was the Sherman Fairchild Professor of Humanities, Emeritus, of Russian Language and Literature at Dartmouth College.  With degrees in Business Administration from Warsaw University, in Political Science and Economics from Oxford University (Oriel College), a Masters in Engineering from Robert College (Istanbul), and a PhD.  in Comparative Literature from UNC, Chapel Hill, Arndt was well known for his metric translations, which included versions of Goethe's "Faust", Aleksandr Pushkin's "Eugene Onegin", a number of poems by Rainer Maria Rilke, as well as works by Busch, Morgenstern, and others.  His translation of "Eugene Onegin" won the Bollingen Poetry Translation Prize in 1962.

Eugene Onegin (opera): Eugene Onegin (Russian: Евгений Онегин , "Yevgény Onégin"), Op.  24, is an opera ("lyrical scenes") in 3 acts (7 scenes), composed by Pyotr Ilyich Tchaikovsky.  The libretto, organised by the composer himself, very closely follows certain passages in Alexander Pushkin's novel in verse, retaining much of his poetry.  Tchaikovsky's friend Konstantin Shilovsky contributed M. Triquet's verses in Act 2, Scene 1, while Tchaikovsky himself arranged the text for Lensky's arioso in Act 1, Scene 1, and almost all of Prince Gremin's aria in Act 3, Scene 1.

Yuri Mazurok: Yuri Antónovich Mazurók (Russian Ю́рий Анто́нович Мазуро́к, 18 July 1931 in Kraśnik – April 2006 in Moscow) was a Russian operatic baritone of Ukrainian ethnicity.  He sang leading roles with major opera houses internationally, including the Bolshoi Theatre, where he made his debut as Eugene Onegin, to become his most famous part, in 1963, the Canadian Opera Company, the Metropolitan Opera ("La traviata", "Eugene Onegin", and "Tosca"), the Royal Opera, London, and the Vienna State Opera.

Supporting paragraphs: Eugene Onegin (opera) Venus and Adonis (opera)
Answer: opera