Information:  - A musician (or instrumentalist) is a person who plays a musical instrument or is musically talented. Anyone who composes, conducts, or performs music may also be referred to as a musician.   - The Eurovision Song Contest 1996 was the third time that Estonia entered the Eurovision Song Contest , and was their first participation since their last place in the 1994 final . The entrant was again selected by a panel of expert judges , with thirteen entrants into the preselection final . The preselection would end up tied on points , with Maarja - Liis Ilus and Ivo Linna 's duet `` Kaelakee hääl '' winning on the basis of being awarded more maximum points than the runner - up Kadri Hunt . In the final , Ilus and Linna finished 5th .  - Eimear Quinn (; born 18 December 1972) is an Irish singer and composer. She is best known for winning the Eurovision Song Contest 1996 with the song "The Voice".  - Oslo Spektrum is an indoor multi-purpose arena in east central Oslo, Norway. It opened in December 1990. It is currently owned and operated by Norges Varemesse. Oslo Spektrum is primarily known for hosting major events such as the Nobel Peace Prize Concert, Eurovision Song Contest, and concerts by artists of national and international fame, such as Whitney Houston, Mariah Carey, Diana Ross, Britney Spears, Kylie Minogue, Janet Jackson, Christina Aguilera, Lady Gaga, Muse, Rammstein, a-ha, Red Hot Chili Peppers, Snoop Dogg and Chris Brown.  - Ivo Linna (born 12 June 1949 in Kuressaare) is an Estonian singer.  - The Eurovision Song Contest 1996 was the 41st Eurovision Song Contest and was held on 18 May 1996 in Oslo Spektrum in Oslo, Norway. The presenters were Ingvild Bryn and Morten Harket. Harket, lead singer of a-ha, opened the show with a performance of his single "Heaven's Not for Saints". Twenty-three countries participated in the contest, with Eimear Quinn of Ireland crowned the winner after the final voting, with the song, "The Voice". The song was written by Brendan Graham, who also composed the 1994 winner "Rock 'n' Roll Kids". It was also a record seventh win for Ireland and the most recent win of Ireland.  - Brendan Graham (born 1945)) is an Irish songwriter and novelist. Among songs he has written or co-written are "Rock 'n' Roll Kids" (1994) and "The Voice" (1996), both of which won the Eurovision Song Contest for Ireland in their respective years, and "You Raise Me Up"(lyrics) (2002), which was an international hit as covered by various artists.  - Kuressaare, also known as "Arensburg", is a town and a municipality on Saaremaa island in Estonia. It is the capital of Saare County and the westernmost town in Estonia. The population, according to the 2011 census, was 13,166.  - The Festival della canzone italiana di Sanremo (in English: "Italian song festival of Sanremo") is the most popular Italian song contest and awards, held annually in the city of Sanremo, in Italy, and consisting of a competition amongst previously unreleased songs. Usually referred to as Festival di Sanremo, or outside Italy as Sanremo Music Festival or Sanremo Music Festival Award, it was the inspiration for the Eurovision Song Contest.  - Maarja-Liis Ilus, sometimes better known by her performing name Maarja (born 24 December 1980 in Tallinn, Estonia) is a pop musician. She has represented her native Estonia in the Eurovision Song Contest twice.  - Tallinn (or ) is the capital and largest city of Estonia. It is situated on the northern coast of the country, on the shore of the Gulf of Finland, south of Helsinki, east of Stockholm and west of Saint Petersburg. From the 13th century until 1918 (and briefly during the Nazi occupation of Estonia from 1941 to 1944), the city was known as Reval. Tallinn occupies an area of and has a population of 443,894. Approximately 32% of Estonia's total population lives in Tallinn.  - Ingvild Bryn (born 18 March 1961 in Voss) is a Norwegian journalist. She is a news anchor for the evening news "Dagsrevyen", aired on the Norwegian Broadcasting Corporation.  - The Eurovision Song Contest, sometimes popularly called Eurovision but not to be confused with the Eurovision network that broadcasts it, is the longest-running annual international TV song competition, held, primarily, among the member countries of the European Broadcasting Union (EBU) since 1956. The competition was based upon the existing Sanremo Music Festival held in Italy since 1951.  - The European Broadcasting Union (EBU) is an alliance of public service media entities, established on 12 February 1950. As of 2015, the organisation comprises 73 active members in 56 countries, and 34 associate members from a further 20 countries. Most EU states are part of this organisation and therefore EBU has been subject to supranational legislation and regulation. It also hosted debates between candidates for the European Commission presidency for the 2014 parliamentary elections but is unrelated to the institution itself. It is best known for producing the Eurovision Song Contest. EBU is a member of the International Music Council.  - "Rock 'n' Roll Kids" was the winning song of the Eurovision Song Contest 1994, composed by Brendan Graham and performed for Ireland by Paul Harrington and Charlie McGettigan. The song was Ireland's sixth overall victory, and represented an unprecedented third consecutive time that the same country had won the Contest.  - A-ha (stylized as a"-h"a) is a Norwegian band formed in Oslo in 1982. The band was founded by Morten Harket (vocals), Magne Furuholmen (keyboards) and Pål Waaktaar-Savoy (guitars). The group rose to fame during the mid-1980s after being discovered by musician and producer John Ratcliff, and continued global success in the 1990s and 2000s.  - Oslo is the capital and the most populous city in Norway. It constitutes both a county and a municipality. Founded in the year 1040, and established as a "kaupstad" or trading place in 1048 by Harald Hardrada, the city was elevated to a bishopric in 1070 and a capital under Haakon V of Norway around 1300. Personal unions with Denmark from 1397 to 1523 and again from 1536 to 1814 and with Sweden from 1814 to 1905 reduced its influence. After being destroyed by a fire in 1624, the city was moved closer to Akershus Fortress during the reign of Christian IV of Denmark and renamed Christiania in his honour. It was established as a municipality ("formannskapsdistrikt") on 1 January 1838. Following a spelling reform, it was known as Kristiania from 1877 to 1925, at which time its original Norwegian name was restored.    Given the information, choose the subject and object entities that have the relation of 'instance of'.
The answer to this question is:
estonia in the eurovision song contest 1996 , estonia in the eurovision song contest