I'm drinking one now. Definitely infected. The nose on the pour had a tartness. The flavor is slightly tart, and maybe some funky? The Jack Daniels has faded and, to be honest, I like that. It's different than Arbor. Arbor has a very vinous character; closing my eyes and drinking I could almost think I was drinking a complex red wine. This is more roasty. It's certainly an imperial stout, with some woodiness, some notes from the whisky, and then an overtone of tart and funk, though lightly so. Right now, I'm liking it.