- L. v. Beethoven 250 years since his birth Piano and Chamber Music master class by Maria Efstratiadis
- Double Bass Master Class of Quirijn van Regteren Altena, December 2018
- Piano Master Classes of Dionissis Mallouchos 2018-2019
- Piano Master Class of Dionissis Mallouchos May 2018
- Doublebass Slap Masterclass 23.11.2017
- Doublebass master class of Dr.Evgenios Politis and Tasos Kazaglis. February 2017
- Workshop on Chamber Orchestra for children 2016-2017
- Workshop on Chamber Orchestra for children 2015-2016
- Musical Fairytale Workshop 2014-2015
- Workshop on Chamber Orchestra for children 2014-2015
- Music Mathisis Seminars 2013-2014
- Presentation of the METHOD of COLOURSTRINGS 2013
- Contrabass Master Class of Professor Lasse Lagercrantz 2013
- Piano & Chamber Music Master Class of Dr.Orsolya Szabo 2011
L. v. Beethoven: 250th anniversary of his birth
Piano and Chamber Music master class of Maria Efstratiadis and Dionysis Mallouchos

Piano and Chamber Music Master Class by Maria Efstratiadi and Dionissis Mallouchos, dedicated to L. v. Beethoven took place on the 7 & 8, March 2020 and on 17 &18 July 2020, on the occasion of the 250th anniversary of his birth.
At the beginning of the seminar, on March 6, a recital was held by Maria Efstratiadi with op.31, 3 piano sonatas while the end of the seminar, a concert was held by the participants of the seminar.