"Nyan Cat Theme" played on two 24kW Musical Tesla Coils
http://www.youtube.com/watch?v=IGO91VCazKc

http://www.youtube.com/watch?v=IGO91VCazKc

 

That's it..

I wanna make one.

 

"Wicked"....

 

The severe distortion sounds like a buzzer with a variable frequency.
But the sparks look nice.