Born in Israel, Yair Kless began playing the violin at the early age. He graduated from Tel Aviv Music Academy, under the tutelage of Israel Amidan.
Following a recommendation from Nathan Milstein, Yair moved to Brussels to study with Prof. Andre Gertler in the Royal conservatory and Chapelle- Musicale Reine-Elizabeth, graduating with the highest distinction in both instrumental and chamber music. Yair quickly became a well known soloist performer and chamber player. His vast repertoire ranges from Baroque to Modern, including premieres of works, some of which were written especially for or dedicated to him. Yair was one of the founders and first violinist of the Sol-La-Re string quartet, recording among others, major works by Israeli composers. He was a member of the "Israeli Baroque Players" which toured extensively around the world, such as participating at the prestigious Salzburg Festival. Other ensembles and groups include the "Tel-Aviv piano quartet", USA based "New Art Trio", Modus Trio, Modus Ensemble and many international projects and festivals. He enjoys collaborating with his son Eyal, in Duo violin repertoire.
Yair has performed the majority of sonata repertoire, collaborating with outstanding musical partners, such as Nadia Reisenberg, Pnina Salzman, Shoshana Rudiakov, Arie Vardi, Victor Derevianko, Frank Wibout, Victor Yampolski and Pascal Sigrist.
Apart from chamber music activities, Yair holds a career as soloist, having more than 30 violin concertos in his repertoire.
As one of the most prominent teachers in the world today, many of Yair's students have reached successful solo and chamber careers, winning prizes in the competitions and holding key teaching and performing positions. Yair annually participates in many prestigious festivals, conducts master classes, and often invited to be a part of the jury panels of many international competitions.

Eyal Kless, born in Israel, has performed and taught throughout the world, fast establishing himself a dynamic and versatile musician. He is the founder and 1st violinist of Israel Haydn Quartet, which is now well into a successful second season, and is former member of the Manchester Piano Quartet. Eyal has also performed with artists such as Martin Rosco, Dr. John O'Conor, Adrian Brendel and others.
Eyal recently moved back to Tel Aviv, Israel. He is currently teaching at the Buchman Mehta School of Music both violin and methods of violin teaching. He previously taught at the Royal Northern College of music, Chethams School of Music (Manchester, England) and at the Royal Irish Academy of Music (Dublin, Ireland).
Eyal works and performs with his father Yair Kless. His own and mutual students have won 1st prizes and are laureates of numerous international and national competitions. He gives lectures (stage fright and technical elements of playing) as well as masterclasses and concerts all over the world including Taiwan, New Zealand, USA, most of the EU countries and is invited to jury panels of international competitions.
Eyal Studied in Tel Aviv with his father, Prof Yair Kless, and in Vienna with Igor Ozim, Michael Frischenschlager and Reiner Kuchl.Eyal's first professional book, "Zen and the Art of Violin Practicing", is praised by students and professionals alike. His first Novel, "Rocca’s Violin", was published in Israel.