Curso de ajuste de sonido del violín con Andrea Ortona 22/03/2017 David and Andrea Clara, Alberto and Matxus, the happy three. Esther Conde and Andrea Agu, Ander and Andrea Andrea, Lena, Rocio and Magalí. Glasses. Listening to the new bridge Esther Conde Rocio with Agu`s cello Some of the Students Learning, Josu, David and Andrea Esther Conde and Andrea 2 Ortona Professional violin makers
