Reza Nurullah is a micro processor in Temanggung, Central Java. He does not wait on what the mountain hands him, he decides it. Yeast is the instrument, and he picks a strain rather than a process, chosen for the compounds he wants it to throw.
Honey is the exposed state. Washed strips the mucilage off before drying, natural leaves the whole fruit on as armour, and honey dries a bean still coated in sugar with nothing protecting it. That coating is where the sweetness lives and it is the part most likely to run away. Reza seals it and inoculates it rather than drying fast and hoping.
The varieties are Typica and Kartika. Kartika is the demanding one, a Catuai type that came into Indonesia through a variety trial in 1987, generous in the cup and fragile in the field.