We’ve knocked out two octaves worth of keys so far, mind only a sample of which will fit on the bench for a demo. Obviously they’ll sound much fuller after we figure out how to set up resonators and amplification, view but at least they’re correctly tuned.

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As for finish, the first three are polished, the rest are still raw, and none have been drilled yet for mounting)

I picked up a new, slimmer metal-cutting disc for the circular saw the other day, and cutting is dramatically easier than it was. Now it takes barely four minutes to slice through the half-inch by 3-inch aluminum bar stock we’re using for keys.

Meanwhile, I’ve also been tinkering with disk gongs – I want people to have a broad array of stuff to bang on beyond the tuned keyboards on either side of the van. Otherwise, they may take to hammering on the mirrors or the coachwork.

These quarter-inch-thick steel disks have a tinny, bell-like quality …
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