A lot of people make a separation between those who “nerd out” about tea and those who are spiritually connected to the tea. The zen people say “don’t think about the taste of the tea just make it and drink it” and the tea nerds say “don’t worry about stories about zen monks and health benefits just make it and drink it.” The “just make it and drink it” is common to both approaches, of course.
For a very long time, I have been just making and drinking my tea, with a sort of soft focus and presence: I pay attention and relax. But recently, I have been consciously analyzing my tea as I drink it, like some kind of sommelier searching for flavor notes. Now why would I do such a thing?
The level of focus required in order to determine what kinds of flavors are present in the tea is surprisingly deep. The fact that taste is subjective doesn’t change the fact that the tastes are there waiting to be uncovered. Perhaps they don’t need to be labeled, especially because I can’t tell my longans from my gardenias, but at least you can group your raw tea-drinking sensation into different dimensions of flavor. For example, low notes vs high notes: you can think “this taste, although I haven’t a clue what it resembles, is low.” Also, does it last a long time? When does it arrive, and when does it leave? Do the successions of notes have a rhythm?
Yun is a term that, according to chinese tea lexicon Babelcarp, means “literally Rhyme, but in a tea context, Aftertaste, or more generally, the elusive essence of experiencing a given tea.” It’s used as Yan Yun when it refers to a Wuyi rock oolong’s “rocky” taste/aftertaste. Now why would it be called rhyme?
My personal view on Yun is that it occurs when the succession of flavors has a rhythm. In poetry, a rhyme only happens with a rhyme scheme, which is essentially rhythmic:
I drank my tea alone today
It seemed to me sublime
For when I focused deep within,
I found a splendid rhyme.
The rhyming words go in a specific place rhythmically: if they were anywhere else in the poem, it would feel different, and probably not rhyme at all.
I sipped a tea with a friend
She hated it because
It didn’t have a rhyme at all,
It wasn’t a very good time.
See, that’s awkward and bad. So, when a tea has Yun, or rhyme, it is because the interplay of flavors over time is rhythmically structured. By focusing and bringing these flavors to consciousness in real time, you can experience the essence of the tea as if it were a poem and a song. This strikes a perfect balance between the meditative and the enthusiast approaches to tea, which usually oppose each other. I used to look for qi more than yun, but perhaps they are two sides of the same thing!