Question: Igor Matvienko and Fabrika, are both Russian musicians, from which city?

Context paragraphs:
Mikhail Azanchevsky: Mikhail Pavlovich (von) Azanchevsky (Russian: Михаи́л Па́влович (фон) Азанче́вский ), March 3 [O.S. April 5] 1839 – January 12 [O.S. January 24] 1881 ) was a Russian composer and music teacher.  He was the director of the St. Petersburg Conservatory in 1871-1876.  Not long before his death, Edward Dannreuther called him "one of the most cultivated of living Russian musicians," and commented on "the delicate finish of diction and form which characterises his compositions, as well as for the extensive range of his knowledge in musical matters generally."

Lyube: Lyube (Russian: Любэ , with the stress on the last syllable; also romanized as Ljube or Lube) is a Russian rock band from Lubertsy, a suburb of Moscow.  Lyube's music is a mixture of several genres, with influences from both Russian folk music, rock, Russian chanson, and Soviet military songs.  The band was founded in 1989, and since then have released 16 albums.  Lyube's producer and main songwriter is Igor Matvienko.

Fabrika: Fabrika (Russian: Фабрика ; "Factory" in English) is a Russian pop girl group from Moscow.

Live (Russian song): Live (Russian: Жить ) is a song and music video composed by Igor Matvienko following the 2015 plane crash on the Sinai Peninsula.  28 artists participated in the music video, among them Grigory Leps, Polina Gagarina, Timati, Hibla Gerzmava, Vladimir Kristovski, Valeriy Syutkin, Alexandr Marshal and Evgeny Margulis.  The song is part of the social project "Live" which emphasizes the importance of finding joy in life despite hardships.

Andrej Andreevich Zolotov: Andrej Andreevich Zolotov is a Russian screenwriter and music and art critic born in 1937, who has written over 30 documentaries about Russian musicians, composers and conductors.  Today he is the vice president of the Russian Academy of Arts.  The main belt asteroid 8142 Zolotov is named after him.

Sati Kazanova: Sataney Setgalievna Kazanova (Russian: Сатаней Сетгалиевна Казанова ), better known as Sati Kazanova (Russian: Сати Казанова ), (born October 2, 1982 in Kabardino-Balkaria) is a Russian singer, fashion model, actress and TV personality.  Until May 2010, she was one of the three vocalists of the Russian pop girl group Fabrika (Russian: Фабрика; Factory in English).  In 2002, she took part in the first season of the Russian talent show Star Factory as a member of Fabrika, where they finished second.

Pentanine: Pentanine is the final studio album by Pierre Moerlen's Gong, released in 2004.  It was recorded in 2002 in Saint Petersburg, Russia, with Russian musicians and was the last album recorded by Pierre Moerlen before he died on 3 May 2005.

Igor Matvienko: Igor Igorevich Matvienko (Russian: Игорь Игоревич Матвиенко ; born February 6, 1960, Moscow, RSFSR) is a Soviet and Russian producer, composer, founder of the bands Lyube, Ivanushki International, Korni, Fabrika, KuBa.  He was also the producer for the singers Zhenya Belousov, Victoria Dayneko, Irson Kudikova, Sati Kazanova and others.

Belyayev circle: The Belyayev circle (Russian: Беляевский кружок ) was a society of Russian musicians who met in Saint Petersburg, Russia between 1885 and 1908, and whose members included Nikolai Rimsky-Korsakov, Alexander Glazunov, Vladimir Stasov, Anatoly Lyadov, Alexander Ossovsky, Witold Maliszewski, Nikolai Tcherepnin, Nikolay Sokolov, Alexander Winkler among others.  The circle was named after Mitrofan Belyayev, a timber merchant and amateur musician who became a music philanthropist and publisher after hearing the music of the teenage Glazunov.

Samotsvety: Samotsvety (Russian: Самоцветы , which means ""Semiprecious Stones"") is a Soviet VIA band formed in 1971, in Moscow.  It became one of the more successful and better known VIA bands, recording a number of hits and serving as a springboard to fame for several Russian musicians, including Dmitry Malikov, Vladimir Presnyakov Sr., and Alexander Barykin.

Supporting paragraphs: Igor Matvienko Fabrika
Answer: Moscow