To the comment posted on March 27, 2011.
The article only covered one small part of the multitude of techniques that are necessary to learn in the violin family of playing. Violin also can slide, they use their own vibrato instead of cheating and using a whammy bar, harmonics exist on the strings, artificial harmonics also exist, etc. For every technique you have to learn, we have to learn another also (I play cello). Please don't be so ignorant and post messages like that. Did you really think every technique possible on the violin family was expressed in this one article?
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