I saw some blog post recently about making bitters and other such things out of ingredients in a "flavor library" - a collection of single flavor infusions. So, if I wanted to have a gentian, clove, ginger, and cinnamon bitters, for example, I'd make it out of little bits of each infusion, rather than infusing the whole batch of ingredients together. I can see the appeal, as it allows for infinite adjustment of the finished product, but I was wondering if there is any discernible difference in taste between something done like that, and something infused the old fashioned way, all together. ETA, I see the post linked above describes exactly the same, though that's not the blog I had in mind.