Grigory Tadtaev born in 1992 in St. Petersburg.
- In 1998, he was accepted to the Saint-Petersburg Musical Humanitarian Gymnasium to the violin class of L.Buyanovskaya.
- In 2002 at age 10 he won the city competition for the best performance of studies. In the same year he entered to the Special Music School at the St. Petersburg State Conservatory named after Rimsky-Korsakov to V. Dobrynina studio.
- In 2007, he was awarded the III prize at the XI International Young Musicians Competition in Togliatti. In the same year he moved to the class of A.Orekhova.
- In 2008, Mr. Tadtaev got the I Prize at the V Inter-regional Competition for Young Performers on stringed instruments in Nizhny - Novgorod, Russia
- In 2010 Mr. Tadtaev was accepted to St. Petersburg State Conservatory the studio of professor A. Stang. (Second violinist of the famous Taneev String Quartet)
- In 2014 Mr. Tadtaev won II Prize at the II International Leopold Auer Competition, St. Petersburg Russia.
- In 2015 he graduated St. Petersburg State Conservatory and entered to Moscow state Conservatory to the studio of professor E. Grach.
Grigory had master classes with many famous teachers, such as, Boris Kushnir, Filipp Draganov, Zahar Bron and others. He took a part in different festivals and won multiply prizes at the International Competitions in Russia, Germany, Italy, France, Switzerland, Estonia, Georgia and others.
Organizer and participant of many concerts in his homeland South Ossetia he got several recognitiand from the Heads of Subjects of Russian Federation.

In 2018 Grigorii graduated from Moscow State Conservatory (prof. E.Grach)

Now he is studying at the Maastricht Academy of Music (prof. B.Belkin)


Andrej Roszyk graduated from the Tchaikovsky Moscow State Conservatory (2012–2017, Prof. Vladimir Ivanov’s class), Maastricht Conservatory (2015–2020, Prof. Boris Belkin’s and Prof. Henk Guittart’s class), Cologne University of Music and Dance, as a member of Malevich Piano Quartet (Prof. Anthony Spiri’s and Prof. Harald Schoneweg’s class), Mozarteum University (Salzburg, Austria, 2020–2022, Prof. Pierre Amoyal’s class), as well as the course of the Concertmaster Artist Diploma programme at the Stauffer Academy Centre for Strings (Cremona, Italy, 2021–2022). He has been working in the musicAeterna orchestra since 2022.

Andrej Roszyk has participated in master classes by such musicians as Michael Kopelman, Emmanuel Borok, Pavel Vernikov, Pavel Berman, Yuzuko Horigome, Alexander Zemtsov, Jean-Bernard Pommier, Daniel Hope, Roman Simovič, Anton Barakhovsky, Volkhard Steude, and Victoria Mullova. 

He has collaborated with such musicians as Liliya Zilberstein, Antonio Meneses, Candida Thompson, Yuzuko Horigome, Harriet Krijgh, Alan Kay, and James Austin Smith. 

Both as a soloist and as a member of the Malevich Piano Quartet, he recorded 3 CDs for the Etcetera-records label, premiering works by Dutch composers Louis Andriessen, Hans Kox, and Oscar van Hemel. 

As a member of the Malevich Piano Quartet, he has been the first prize winner in the Sergei Taneyev Chamber Music Competition (Russia), Storioni Chamber Music Competition (the Netherlands) and the 7th Chamber Music Competition of the Hfmt Cologne (Germany).

Vladimir Shulyakovsky was born in 1989 in St Petersburg in the family of
musicians.  At the age of 5, he took up his violin and starts to play under the
guidance of his father. During his studies in music school, Vladimir won some local Russian competitions for young musicians.  Since the age of 10, he participates in the concerts of the famous Russian early music ensemble – Musica Antiqua Russica, firstly as a singer, and than as a violinist. As a member of this ensemble, he performed at the different festivals and concerts in St.Petersburg, Moscow, Madrid, Zaragoza, Malaga, Tallinn,Munchen, Rosenhaim and others. His musicianship and high virtuosity was marked several times by Spanish, Estonian
and Russian press. In June 2011 he won the 2 prize at the XIV Pietro Argento
International Music Competition in Italy. Recently he won the 3 prize at the Rachmaninov International Music Competition in Russia.  In 2013 Vladimir finished the St Petersburg
Conservatory. Now he doing a lot of solo and chamber recitals, playing concerts with different orchestras.

Igor Botvin was born in 1987 in St.Petersburg. Since the early childhood he showed interest in music. At the age of 3, Igor has began to study piano. He began to play cello at the age of 7 in Music school. Already at music school he has concerts accompanied by an orchestra. In 2006 Igor entered the SaintPetersburg Conservatory. His teacher was famous cellist S.Zagursky. In study time he was invite in Mariinsky Theatre and The Saint Petersburg Philharmonic Orchestra. He is the participant of many festivals and competitions. has performed as soloist in various cities throughout the Russian Federation, Europe and Asia. In 2013 he based the Klever quartet, in which brought together the best musicians of the city. Since its inception, Klever quartet has charmed audiences in over 50 cities throughout the Russian Federation, with rave revues.

Murat Kabardokov was born in 1986. Gradueted North Caucasus Istitute of Arts (piano and composition, both with honour), postgradueted Saint- Petersburg Conservatory as composer. Released several CD's as performer and composer. Worked with Netherland,
Mariinsky, Taurida and other orchestra's. Author of soundtracks for several films (Alexander Sokurov's "Francofonia" among them). Worked as concertmaster in Saint-Petersburg Conservatory. In 2013 became Peoples artist of Kabardino-Balkaria Republic