“I must have tried almost all combinations of string brands but only Thomastik-Infeld strings meet my expectations. I combine Vision Solo A+D, Spirocore Silver G and Tungsten C. Together they offer great power, sensitivity, many layers of colors and pitch stability. They help me sound at my best. With gratitude,” Choong-Jin Chang Principal Viola of the Philadelphia Orchestra proudly plays and Photo: Bonsook Koo
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