(Video link here.) Inspired Eureka moment in the realm of the everyday, yielding a celestial chord that could have come from a mighty church organ. Joy!

The harmonica has deep roots, from China to American blues. Check out legendary Big Walter Horton’ wildly expressive sound using a small, seemingly ordinary harmonica (video link here). His description of his technique, about 30 seconds in, seems a tad over-simplified but gives great insight into what’s possible with a harmonica:

I make my sound with my hand. Any tone I want I make it with my hand.

In fact, he seems to become the instrument…