I might reiterate, it is important to my wife and therefore I will exhaust all possibilities.
I worked for a luthier when I was wee lad (For my friends across the pond) but most of those skills were electric and steel string acoustics.
It had a wonderfully warm tone before the Southern humidity strangled it.
Coffee Roasting is like classical guitar, part technique, part art.
Without both the end result works, but never reaches what it could be.