Here are a couple of "butter tub" amplifiers, by Vishal and Nick.

Hey, we're "Video of the Day" on gothamist.com!

Here are a couple more clips of the FK Lane kids improvising on their microtonal guitars, plus the electric saron and a square wave oscillator. The saron is tuned to the same 7 tone equal temperament scale as the guitars. Note the butter tub amplifier the oscillator is being played through.

Hey! We got mentioned on another blog! Scroll down to the
Friday, 28 March 2008 entry.

Here are some pieces from another microtonal guitar session: