The Junior Eurovision Song Contest 2010 was the eighth edition of Junior Eurovision Song Contest and took place in Minsk, Belarus.
 It was held on 20 November 2010.
 The contest was won by Vladimir Arzumanyan from Armenia with the song Mama.
 This gave Armenia its first Junior Eurovision victory and its first victory in any Eurovision contest.
The participation of Portugal in the Junior Eurovision Song Contest first began at the Junior Eurovision Song Contest in 2006 which took place in Bucharest, Romania.
 Rádio e Televisão de Portugal (RTP), a member of the European Broadcasting Union (EBU), were responsible for the selection process of their participation.
 Portugal used a national selection format, broadcasting a show entitled ""Festival da Canção Junior"", for their participation at the contests.
 This was a junior version of Festival da Canção, the national music competition organised by broadcaster RTP to choose the Portuguese entry for the Eurovision Song Contest.
 The first representative to participate for the nation at the 2006 contest was Pedro Madeira with the song "Deixa-me sentir", which finished in second-last place out of fifteen participating entries, achieving a score of twenty-two points.
 Portugal withdrew from competing in the Junior Eurovision Song Contest in 2008, and will return for the Junior Eurovision Song Contest 2017 in Tbilisi, Georgia.
The Bundesvision Song Contest 2011 was the seventh edition of the annual Bundesvision Song Contest musical event.
 The contest was held on 29 September 2011 at the Lanxess Arena in Cologne, North Rhine-Westphalia, following Unheilig's win in the 2010 contest in Berlin with the song "Unter deiner Flagge".
 This was the second time that North Rhine-Westphalia had hosted the contest, after previously hosting in the first contest Oberhausen in 2005.
 The contest was hosted by Stefan Raab, Johanna Klum, with Lena Meyer-Landrut; Germany's Eurovision Song Contest 2010 winner, and representative in the Eurovision Song Contest 2011 conducting interviews in the green room, whilst regular green room host Elton sat in the fan block.
Peter Andreyevich Nalitch (Russian: Пётр Андре́евич На́лич , ] also spelled as Petr Nalich or Pyotr Nalich, is a Russian singer and composer who represented Russia at the Eurovision Song Contest 2010 in Oslo.
 In the final on May 29, he came 11th with his song "Lost and Forgotten".
The Eurovision Song Contest 2010 was the 55th annual Eurovision Song Contest, broadcast from the Telenor Arena in Bærum, Greater Oslo, Norway.
 Norway gained the rights to host the contest after achieving a record breaking victory in Moscow the previous year.
 It was the third time Norway had hosted the contest, having previously done so in 1986 and 1996.
 The 2010 winner was Germany with Lena singing "Satellite", written by American Julie Frost and Denmark's John Gordon.
 It was Germany's first win in twenty-eight years, its second since the Contest's inception, and its first win as a unified country.
 It was also the first time a "Big Four" country won the contest since the rule's introduction in 2000.
Lena Johanna Therese Meyer-Landrut (born 23 May 1991), known professionally as Lena (] ), is a German singer-songwriter.
 She represented Germany in the Eurovision Song Contest 2010 in Oslo and won the contest with the song "Satellite".
 With her three entries from the German national final "Unser Star für Oslo" (Our Star for Oslo), Meyer-Landrut set an all-time chart record in her home country by debuting with three songs in the top five of the German singles chart.
 Both "Satellite" and her first album "My Cassette Player" debuted at number one in Germany, while the former has been certified double Platinum since, the album has been certified five times Gold for sales of over 500,000 units.
 Meyer-Landrut represented Germany for the second consecutive time in the Eurovision Song Contest at Düsseldorf in 2011 with the song "Taken by a Stranger".
"Lost and Forgotten" is a song by Peter Nalitch and Friends, who represented Russia in the Eurovision Song Contest 2010, in Oslo.
The use of a Kids' Jury in the Junior Eurovision Song Contest was first introduced at the Junior Eurovision Song Contest 2012, in Amsterdam, Netherlands, as part of a new voting system for the Junior Eurovision Song Contest following discussions between the European Broadcasting Union (EBU), KidsRights Foundation, and the Junior Eurovision Song Contest 2012 host broadcaster Algemene Vereniging Radio Omroep (AVRO).
 Three of the four spokespersons who announced the jury points at each annual contest were former winners of the Junior Eurovision Song Contest.
 As of 2016, the results of each country's Kids' Jury have been integrated with the adult jury to give out two sets of 1-8, 10, and 12 points per country.
Cyprus will participate in the Eurovision Song Contest 2010 and selected their entry through a national final, organised by Cypriot broadcaster Cyprus Broadcasting Corporation (CyBC).
 After an open call to performers to submit proposals, ten entries were shortlisted for the 7 February national final.
 Deep Zone and their song "Play" were disqualified after the song was found to have been unofficially released before the final, breaching the contest's rules and leaving nine to compete in the final.
 Welsh singer Jon Lilygreen & The Islanders were chosen as the Cypriot entry on 7 February with their song "Life Looks Better in Spring" and will compete in the second half of the second semi-final of the Eurovision Song Contest 2010.
Vodolija (Cyrillic::Водолија; English translation:Aquarius) is a Macedonian rock band formed in 1989 that officially started in 1991 when they had their first official appearance on Pop-Rock Fest 1991 and recorded the first official single in the studio M2 of the Macedonian Radio Television.
 They have released three studio albums and participated three times at the Macedonian Eurovision Song Contest 2009 with the song (Mojot TV), Macedonian Eurovision Song Contest 2010 with the song (Solza) and Macedonian Eurovision Song Contest 2011 with the song (Ne vrakaj se).
 The first two albums of Vodolija were recorded in the studio of Vladimir Petrovski-Karter from Badmingtons.
 The third album was recorded in Risto Apostolov studio.

Question: With whose acquaintance the song that came 11th at the Eurovision Song Contest 2010, in Oslo was represented by?
Answer: Friends