Tanja Sonc (1992) started learning playing the violin at the age of five at the Music and Ballet High School Ljubljana in the professor Armin Sešek's class. She is the student on Ljubljana Music academy in Primož Novšak class. Tanja is also a student at Leopold Mozart institut in Salzburg for highly talented musicians in the class of Wonyi Kim Ozim. She  worked on masterclasses with Igor Ozim, Stephen Shipps, Sylvie Gazeau, Wonji Kim Ozim.

She played as soloist with :
Vrhniški godalni orkester (Sarasate: Zigeunerweisen),
Simphony orkestra of Musik High School in Ljubljana (Mendelssohn: Concerto in e op.64),
Buhm orchestra in Prague (Mozart: Simfonia concertante)
Alpe-Adria orchestra (Beethoven: Romance in G op.40),
Slovene filharmonic orchestra P.I.Tschaikovsky: Concerto in D op. 35, J.Massenet:Thais meditation, P. de Sarasate: Carmen Fantasy op.25).

She played on concerts in organisation " Glasbena mladina ljubljanska " in Cekin, Tivoli castle, Read hall in city hause, Križanke, Kosovel hall in Cankarjev dom in Ljubljana, "Samoborska glasbena jesen" Samobor in Croatia. 
She had many concerts in Slovenija, Croatia,  Italy, Germany, Switzerland, Belgie, Austria and Chech Republic.

She recieved many awards at national and international competitions.
In February 2007 she  was the absolute winner in Zagreb (Croatia) at the "Etide i skale" competiton, recieveing a special award for the best realization of etude, virtuoso compozition and obligatory piece.
In 2009 Tanja has won the 1.prize on Slovene national competition "TEMSIG"(100/100), and also got  prize for the best performance of the set piece, and recital in "Summer festival  LENT" in Maribor and a Concert on  Festival Ljubljana in March 2010.