I watched the Ursa Minor video (see above) last night, and others too. Some good stuff there! And in addition to the small-ish Greco semi there's also a well worn Starfire II (with replaced pickups, I think) in use. :)

I really liked these two pieces:

https://youtu.be/snpYVYTabAc

https://youtu.be/LzzRoOOtEK8

-Dave-