Excerpt from Bach’s Toccata and Fugue in Dm

I’ve been getting some criticism lately for calling things stupidtacular.
Some things, like programming Chuck E Cheese robots to sing Miss New Booty, or a $1,000 iPod dock, are just awesomely stupid.
Tesla coil music may fall into the same category.
Joe DiPrima and Oliver Greaves of ArcAttack use “a unique [...]

This video, via demjp8RqDA, shows a solid-state Tesla coil “singing”.
Here’s an explanation of how it works:

The primary runs at its resonant frequency in the 41 KHz range, and is modulated from the control unit in order to generate the tones you hear. It is the actual high voltage sparks that are making the noise. [...]