Understanding is the least important thing when it comes to digging jazzbecause, like anything else, jazz is a form of entertainment. It is created to be enjoyed, not understood like you read a blueprint.
In the present state of our knowledge, it would be useless to attempt to speculate on the remote cause of the electrical energy. . . its relation to chemical affinity is, however, sufficiently evident. May it not be identical with it, and an essential property of matter?