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GregsGuitarLessons: op amp big muff
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GregsGuitarLessons: boss rv3
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GregsGuitarLessons: oktava mk012
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GregsGuitarLessons: oktava mk012
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GregsGuitarLessons: sugar baby trem
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GregsGuitarLessons: crybaby from hell
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GregsGuitarLessons: tape op ribbon
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GregsGuitarLessons: ksm109