Hi Ron
I hope your hering harps have the right reeds...for a while they used reeds that detuned after a few minutes. But these harps play indeed very fine. Maybe you should try a Hering vintage 1923...you can read more about these harps on: www.planetharmonica.com (playing chromatically)
Ben Bouman
Holland
www.marbletones.com
www.marble-amps.com www.harmonicainstituut.nl
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