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Showing posts with label 388.INNOVATIONS ON TRADITIONAL INSTRUMENTS 7: ERGONOMIC INNOVATIONS AND NEW AND BETTER OVERTONES TUNINGS FOR THE VIOLIN/VIOLA/LYRA/CELLO. Show all posts
Showing posts with label 388.INNOVATIONS ON TRADITIONAL INSTRUMENTS 7: ERGONOMIC INNOVATIONS AND NEW AND BETTER OVERTONES TUNINGS FOR THE VIOLIN/VIOLA/LYRA/CELLO. Show all posts