Question: At the beginning of the 20th century, who was one of the world's leading opera singers?
About the article "Australia", section "Arts".

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Johan Jonatan "Jussi" Björling (, ; 5 February 19119 September 1960) was a Swedish tenor.
One of the leading operatic singers of the 20th century, Björling appeared for many years at the Metropolitan Opera in New York City and less frequently at the major European opera houses, including the Royal Opera House in London and La Scala in Milan. 
This a list of opera singers from Russian Federation, Soviet Union and Russian Empire including both ethnic Russians and people of other ethnicities.
This list includes those, who were born in the Russian Federation/Soviet Union/Russian Empire but later emigrated, and those, who were born elsewhere but immigrated to the country and performed there for a long time.
Opera came to Russia in the 18th century.
At first there were mostly Italian language operas presented by Italian opera troupes.
Later some foreign composers serving to the Russian Imperial Court began to write Russian-language operas, while some Russian composers were involved into writing of the operas in Italian and French.
Only at the beginning of 1770s the first modest attempts of the composers of Russian origin to compose operas to the Russian librettos were made.
The 19th century was the golden age of Russian opera, with such prominent composers as Mikhail Glinka, Alexander Dargomyzhsky, Modest Mussorgsky, Pyotr Tchaikovsky, Alexander Borodin and Nikolai Rimsky-Korsakov.
Their traditions were carried on to the 20th century by Igor Stravinsky, Sergei Rachmaninoff, Sergei Prokofiev and Dmitri Shostakovich.
Bolshoi and Mariinsky theatres continue to be the main opera and ballet scenes of Russia and one of the most prominent in the world.
A number of Russian opera singers rose to fame already in the 18th century, but it was the late 19th and the 20th centuries that saw the appearance of many world-renown, well-remembered and still popular soloists, including Leonid Sobinov, Galina Vishnevskaya and, of course, Feodor Chaliapin, the greatest bass of all time.
Contemporary Russia is represented at the world scene with such singers as Dmitri Hvorostovsky and Anna Netrebko. 
Gundula Janowitz (born August 2, 1937) is an Austrian lyric soprano singer of operas, oratorios and concerts.
She is one of the most renowned opera singers of the 20th century and was pre-eminent in the 1960s and 1970s.  
Aprile Millo (born April 14, 1958) is an American operatic soprano of Italian and Irish ancestry who is particularly admired for her interpretations of the works of Giuseppe Verdi.
Possessing a spinto voice of power, warmth and temperament, Millo became one of the most celebrated opera singers of the late twentieth century.
Although she has performed at many of the world's leading opera houses and with many orchestras and ensembles internationally, Millo has spent much of her career appearing in productions at the Metropolitan Opera. 
Australian visual arts are thought to have begun with the cave paintings, rock engravings and body painting of its Indigenous peoples.
The traditions of Indigenous Australians are largely transmitted orally, through ceremony and the telling of Dreamtime stories.
From the time of European settlement, a theme in Australian art has been the natural landscape, seen for example in the works of Albert Namatjira, Arthur Streeton and others associated with the Heidelberg School, and Arthur Boyd.
The country's landscape remains a source of inspiration for Australian modernist artists; it has been depicted in acclaimed works by the likes of Sidney Nolan, Fred Williams, Sydney Long, and Clifton Pugh.
Australian artists influenced by modern American and European art include cubist Grace Crowley, surrealist James Gleeson, and pop artist Martin Sharp.
Contemporary Indigenous Australian art is the only art movement of international significance to emerge from Australia and "the last great art movement of the 20th century"; its exponents have included Emily Kngwarreye.
Art critic Robert Hughes has written several influential books about Australian history and art, and was described as the "world's most famous art critic" by "The New York Times".
The National Gallery of Australia and state galleries maintain Australian and overseas collections.
Australia has one of the world's highest attendances of art galleries and museums per head of population—far more than Britain or America.
Many of Australia's performing arts companies receive funding through the federal government's Australia Council.
There is a symphony orchestra in each state, and a national opera company, Opera Australia, well-known for its famous soprano Joan Sutherland.
At the beginning of the 20th century, Nellie Melba was one of the world's leading opera singers.
Ballet and dance are represented by The Australian Ballet and various state companies.
Each state has a publicly funded theatre company.
Australian literature has also been influenced by the landscape; the works of writers such as Banjo Paterson, Henry Lawson, and Dorothea Mackellar captured the experience of the Australian bush.
The character of the nation's colonial past, as represented in early literature, is popular with modern Australians.
In 1973, Patrick White was awarded the Nobel Prize in Literature, the first Australian to have achieved this.
Australian winners of the Man Booker Prize have included Peter Carey and Thomas Keneally; David Williamson, David Malouf, and J. M. Coetzee, who recently became an Australian citizen, are also renowned writers, and Les Murray is regarded as "one of the leading poets of his generation".