Irakli Tsadaia was born into a musical family in Tbilisi, Georgia. His first music training started with Tamaz Batiaschwili and Konstantin Vardeli – both members of the Georgian States Quartet and teachers at the Tbilisi Conservatory. Since the age of eight he received regular lessons with Galina Turchaninova in Moscow and Germany, who also was the first teacher of Maxim Vengerov. In 1997, Irakli was accepted as a student at the Munich Conservatory, despite being only thirteen. While studying at the conservatory, he also attended the master classes of Alexander Brussilovsky, Boris Garlizky, Felix Andrievsky and Victor Tretjakov. In 2002 he continued his studies with Professor Victor Tretjakov at the “Hochschule für Musik Köln” (Cologne).

     He received first prize at the music competition “Jugend musiziert” in Germany, diplomas at the Louis-Spohr International Violin Competition in Weimar (1999) and at the Paganini International Competition in Moscow (2006), and the 2nd prize at the International Violin Competition Valsesia Musica in Italy (2008). As a winner of a competition in the instrumental foundation of the “Hochschule für Musik Köln” that gives young musicians an opportunity to perform on high quality instruments, Irakli was awarded a G P. Maggini violin.

     In 2007 he recorded a CD of Four Seasons by Astor Piazolla released by Sony BMG, performing as a soloist with “Kölner Klassik Ensemble.” Irakli has performed as a soloist and in chamber music with internationally known musicians and conductors such as Alexandre Brussilovsky, Ivan Monighetti, Ariel Zuckerman, Lev Markiz and Vakhtang Kakhidze. His concert performances of the Tchaikovsky Violin Concerto, Introduction and Rondo- Capriccioso by Saint-Säens, Zigeunerweisen by Sarasate and the Four Seasons by Astor Piazolla were recorded for Radio and Television and broadcast on ARD, SWR, BR (Bayerischer Rundfunk), and in Tbilisi, Georgia.

Marie-Stephanie Radauer-Plank has been a top-prize winner of numerous international competitions (Weimar, Gorizia, Torino, Pietra-Ligure, etc). As a soloist she has appeared throughout Europe and the USA. Since her first appearance on television at the age of 7 her concerts have been recorded for Italian, German, and Californian radio and television. As a chamber musician and soloist Marie performed together with Martin Stadtfeld, Wolfram Christ, Lukas Hagen, Leonid Gorokhov and the Persius Ensemble.

 Born in Salzburg, Marie Radauer-Plank is a several times prize-winner of the Jugend musiziert competition in Austria. She received her first violin lessons at the early age of 4 and began studying the piano shortly after. At the age of 10 she was admitted to the preparatory cycle of the Mozarteum in Salzburg in the class of Benjamin Schmid and later joined the class of Lukas Hagen. Marie continued her studies with Ulf Schneider at the Hanover University of Music and Drama and graduated with the highest distinction in 2009. Alongside her studies she gained valuable inspiration from her work with Eduard Schmieder, Jean-Jaques Kantorow, and the Artemis Quartett among others.

At the age of 16, she became the youngest member the Gustav Mahler Youth Orchestra where she played under the direction of Claudio Abbado, Pierre Boulez, Ivan Fischer and Franz Welser-Möst.

After her success at the 5th International Louis Spohr Violin Competition, Marie has been selected by iPalpiti Artists International, and has been a member of the iPalpiti since 2007, performing in such prestigiousm concert halls as the Walt Disney Hall, Carnegie Zankel Hall and the Kimmel Center. In December 2008, Marie was a soloist with iPalpiti in Vevey, Switzerland. In 2009-10, Marie was a violinist-in-residence at Chapelle Reiner Elisabeth, Belgium, where she worked with Augustin Dumay.