Off topic for a minute...
Owen, my daughter is at UGA, as a Joint Enrolled high school senior, majoring in music. She is first chair of the UGA Symphonic Band in the Horn section. (Symphonic Band is not the top band at UGA, but still, it's pretty impressive she's first chair in one of their premier bands on top of a lot of a lot of full fledged college students!) We don't know if she will be staying at UGA, which she likes very much, or will be going to conservatory. She's done the auditions, now we're waiting for results.
Back on topic...
I agree with the advice to do a lot of cuttings. I did cuttings of zelkova, back in the day, and found that it was difficult to get both good roots and good top growth on one cutting. Seems like I'd get one or the other. Multiplying the number of cuttings would give you better odds of getting a few keepers!