Hmmmmm...think of the output of a pickup with this stuff used as the magnet. You'd only need a few windings, making for a very compact pickup. In theory, of course.
Doggone, he could get his seat back ~ and make that baby buck like the world's most powerful Low Rider!
BTW, this, of course, means that the Chicom miniature speaker industry is now KAPUT!
Exactly what I was thinking.