"His whole being was an instrument newly set in tune, and tuned to the very highest pitch."

Excerpt from "Everybody's Magazine, vol. 38, 1918; "The White Arc," by Henry Kitchell Webster.

A poem by John M. Phipps, 1911:
"Just like some music linsome
Above that is newly set in tune,
Now young ladies.....

These found by googling "newly set in tune."

There are probably earlier examples. Some edition of Burns' ??