I can think of at least one other example of a musical Tesla coil; this (apparently) anonymous guitarist has created a pretty nice amp.
(Guitar Amp made from tesla coil)
As far as sfnal precursors are concerned, I'm wondering if something as recent as the Guitar Hero program would count. At particular moments, the lightning will strike. This song, of course, is all about the Lightning.
(Guitar hero Ride the Lightning)
I sometimes wonder what Tesla would think of all this.
Poul Anderson's 'Brain Wave'
"Everybody and his dog, it seemed, wanted to live out in the country; transportation and communication were no longer isolating factors." - Poul Anderson, 1953.
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A System To Defeat AI Face Recognition
'...points and patches of light... sliding all over their faces in a programmed manner that had been designed to foil facial recognition systems.'
Smart TVs Are Listening!
'You had to live -- did live, from habit that became instinct -- in the assumption that every sound you made was overheard...'