Violin set up and sound adjustment workshop with Andrea Ortona 2017/03/22 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
