For anyone interested in an in depth discussion of resonance in relation to wellness:
[link to www.harptherapyinternational.com]

There is also this section on cymatics:
[link to www.harptherapyinternational.com]

Uncle Mikey, you may find it interesting as you quoted the Bible verse referencing harpers playing upon their harps.

And! If anyone uses an iPhone, Touch, or iPad there are several (free & paid) Apps that allow you to adjust the reference A=xHz as low as the 300s.

Really enjoying the back & forth discussion in this thread. It's refreshing!