The Bahnson overblow harp is based on a patented design of Dr. Henry T. Bahnson who designed a valve mechanism for facilitating the overblows and overdraws on the diatonic harp. I have been working with him for about 11 years and have recently designed a version based on the Special-20. We have made a few of these, and have sold a couple. But they are painstaking to assemble. And we generally lose money every time we make one. So until I figure out a simpler, more streamlined way to produce them, I am not really selling them at the moment.

But stay tuned... I remain optimistic that we will work out the bugs in the process soon.

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