Question: Olga Arefieva was the student of the singer who was best known for his rendition of what song?

full_context: Document 1: Elena Frolova: Elena Borisovna Frolova (Russian: Елена Борисовна Фролова , born 1 October 1969 in Riga) is a Russian singer-songwriter, composer, and poet. She is author and performer of songs based on poems by many Russian poets of twentieth century, including Marina Tsvetaeva, Sophia Parnok, Joseph Brodsky, Anna Barkova, Andrei Belyi, Varlam Shalamov, Maria Petrovykh, Veniamin Blazhenny, Bulat Okudzhava, and many others, as well as her own poetry. Frolova is one of few performers who uses Russian folk instrument gusli and ancient harp, along with classical six-string guitar for the accompaniment. During 25 years of work she created more than 630 songs and published more than 40 music albums.
Document 2: Vladimir Vysotsky: Vladimir Semyonovich Vysotsky (Russian: Влади́мир Семёнович Высо́цкий ; ] ; 25 January 1938 – 25 July 1980) was a Russian singer-songwriter, poet, and actor whose career had an immense and enduring effect on Soviet and Russian culture. He became widely known for his unique singing style and for his lyrics, which featured social and political commentary in often humorous street jargon. He was also a prominent stage and screen actor. Though his work was largely ignored by the official Soviet cultural establishment, he achieved remarkable fame during his lifetime, and to this day exerts significant influence on many of Russia's popular musicians and actors who wish to emulate his iconic status.
Document 3: Alla Pugacheva: Alla Borisovna Pugacheva (Russian: Алла Борисовна Пугачёва ; sometimes transcribed in English as Pugachova, ] ; born 15 April 1949), is а Soviet and Russian musical performer. Her career started in 1965 and continues to this day. For her "clear mezzo-soprano and a full display of sincere emotions", she enjoys an iconic status across the former Soviet Union as the most successful Soviet performer in terms of record sales and popularity.
Document 4: Olga Arefieva: Olga Arefieva (Arefeva) (born 21 September 1967 in Verkhnyaya Salda) is a Russian singer-songwriter, poet and musician. She graduated from Gnessin State Musical College (her teacher was Lev Leshchenko), founded band "Kovcheg" ("The Ark"), composed more than 400 songs, issued 15 music albums, and won the literary prize of the magazine "Znamya" for her poems.
Document 5: Pyotr Kirichek: Pyotr Kirichek (Russian: Пётр Тихонович Киричек ; 1902 — 1968) was a Soviet singer, a bass-baritone. After graduating from the Moscow Conservatory, he worked as a soloist at the Bolshoi Theater (1934–1944) and then mostly toured with programs devoted to romances and contemporary Soviet songs. He was awarded the title of Meritorious Artist of the RSFSR in 1960. Kirichek performed or recorded such songs as "March of the Soviet Tankmen" ("Марш советских танкистов"), "Anthem of the International Union of Students" ("Гимн международного союза студентов"), "Goodbye, Rocky Mountains" ("Прощайте, скалистые горы"). Composer Anatoly Novikov praised him as a real tribune and a real fighter who didn't care about the conditions under which he had to sing, who performed in factories, at field camps and on ships and gave about 1,500 concerts on the front line during the Great Patriotic War.
Document 6: Larisa Novoseltseva: Larisa Novoseltseva (Russian: Лариса Новосельцева ) is a Russian singer-songwriter, composer, performer of Russian and Ukrainian folk songs and romances, and creator of project "Return of the Silver Age". She is author of music and performer of songs and ballads on poems by more than forty Russian poets, mostly of the Silver Age, such as Osip Mandelstam, Nikolay Gumilev, Boris Pasternak,Marina Tsvetaeva, Maksimilian Voloshin, Konstantin Balmont, Alexander Vertinsky and many others, including Bella Akhmadulina who, according to Novoseltseva, can be viewed as the last poet of Silver Age based on her poetic language and style. Novoseltseva created more than 300 songs and published more than 20 music albums. She usually performs solo using guitar or piano for the accompaniment. More recently, she frequently appears with violinist Michael Czerwinski
Document 7: Olga Beaver: Olga Beaver was a Czech-American mathematician and Professor of Mathematics at Williams College. She was the recipient of the second Louise Hay Award from the Association for Women in Mathematics. She is noted for having founded the Summer Science Program at Williams. She served as the director of the SSP for many years, and was the chair of the Mathematics Department at Williams for five and a half years.
Document 8: Nina Svetlanova: Nina Svetlanova (born in Kiev, January 23, 1932) is a Russian-American concert pianist and educator. She became a naturalized US citizen in 1983. She has been a professor of piano at New York's Manhattan School of Music and Mannes College of Music since the late 1970s and is a highly sought-after pedagogue, and many of her students are well-known pianists and international competition winners. Before her teaching career, she was known as an excellent concert pianist and collaborative artist, being the main pianist to work with famous Armenian mezzo-soprano Zara Dolukhanova.
Document 9: Olga Frolova: Olga Pavlovna Frolova (Chernykh) / Russian: Óльга Пáвловна Фролóва (Черны́х) (born 1931, Manchuria, Northeast China) — is a Russian orientalist who wrote her major works on the Japanese and Chinese linguistics. She is a professor and a public figure. She received such State Rewards as the Order of the Rising Sun (4th Class, Gold Rays with Rosette) in 2007, The Order of Merit for the Fatherland (2nd Class) in 2010, etc. At present she is the head of the Oriental Branch at the Foreign Languages Department of Novosibirsk State University (NSU).
Document 10: Lev Leshchenko: Lev Valerjanovich Leshchenko (Russian: Лев Валерианович Лещенко ; born 1 February 1942), is a Russian singer, who was best known for his rendition of "Den Pobedy" and the 1980 Summer Olympics closing ceremony theme song "Do svidanja, Moskva".
Document 11: Den Pobedy: "Den Pobedy" (Russian: День Победы , English: Victory Day ) ranks among the most popular in the large corpus of Russian songs, devoting to Second World War. The song refers to the Victory Day (9 May) celebration and differs from most of these by its cheerful intonations of a marching song and by the fact that it was composed some thirty years after the war. In the words of Vladimir Shainsky, a veteran composer, "the song seemed to have turned back the time. Although written three decades after the war, it now seems that it was this song that helped us to gain the victory".
Document 12: Grigory Leps: Grigory Viktorovich Lepsveridze (Russian: Григо́рий Ви́кторович Лепсверидзе , Georgian: გრიგორი ვიქტორის ძე ლეფსვერიძე ), known as Grigory Leps (born 16 July 1962 in Sochi), is a Russian singer-songwriter of Georgian origin. His musical style gradually changed from Russian chanson in his early years to soft rock recently. He's known for his low, strong baritone voice. Meritorious Artist of Russia (2011). Grigory Leps reported the highest income of all singers in Russia in 2013 with $15 million, 2014 with $12 million and 2015 with $12.2 million.
Document 13: Alexander Vasilyevich Alexandrov: Alexander Vasilyevich Alexandrov (Russian: Александр Васильевич Александров , "Aleksandr Vasilevich Aleksandrov") (13 April [O.S. 1 April] 1883 – 8 July 1946) was a Russian Soviet composer, the founder of the Alexandrov Ensemble, who wrote the music for the State Anthem of the Soviet Union, which, in 2000, became the national anthem of Russia (with new lyrics). During his career, he also worked as a professor of the Moscow State Conservatory, and became a Doctor of Arts. His work was recognized by the awards of the title of People's Artist of the USSR and the Stalin Prize.
Document 14: Georgi Vinogradov: Georgi Pavlovich Vinogradov (Russian: Георгий Павлович Виноградов), Honoured Artist of Russia, (16 November [O.S. 3 November] 1908 11 November 1980) was a Russian tenor: a popular World War II singer on Radio Moscow, recording artist, and soloist with the Alexandrov Ensemble.
Document 15: Leonid Rezetdinov: Leonid Fiatovich Rezetdinov (Russian: Леонид Фиатович Резетдинов ; August 5, 1961) is a Russian composer and a winner of the "National Prize" of the Russian Academy of Advertising. He was born in Leningrad (now Saint Petersburg) and attended Saint Petersburg Conservatory where he was under guidance of Boris Tishchenko till 1985. In 1988 he joined Russian Union of Composers and two years later became an attendee of the International Society for Contemporary Music where his teacher was Witold Lutosławski. For eight years after it, he was a teacher at the Musical College of Rimsky-Korsakov and by 2000 became a CEO and record producer at Studio Digital Film Production of Saint-Petersburg Documentary Film Studio. The same year he joined Music Fund and became an author of over 30 film scores. In 2009 he won the first prize at the Berdyansk International Film Festival and since then worked with various conductors such as Vladimir Altschuler, Valery Gergiev and Stanislav Gribkov. He also worked with Leonid Korchmar, Ravil Martynov, Vasily Petrenko, Rashid Skuratov, and Alexander Titov and have traveled throughout Europe, Asia and North America.
ground_truth: Den Pobedy