The first thing you’ll need to understand about Georgia musician Col. Bruce Hampton (ret.) is that nobody understands Col. Bruce Hampton — not Phish’s Mike Gordon, who collaborated with him on the cult film Outside Out; not John Bell of Widespread Panic, with whom Hampton has frequently shared the stage; and not Dave Matthews, who has even admitted to being afraid of Hampton at times. Though the Colonel is more than skilled with his instruments, perhaps his greatest gift is to keep everyone around him guessing. Over his four-decade-long career, Hampton has become the kooky old uncle in the jam band scene, but he’s beloved all the more for it. His performances are marked by a lack of inhibition, which creates an atmosphere of soaring creativity for the ensemble behind him. It’s an approach that has made Hampton somewhat of a musical shepherd to many great bands over the years, like the Late Bronze Age, the Aquarium Rescue Unit, and, most recently, the Realms of Venilation, who he’ll be playing with at the Pour House on Saturday. The audience can expect his typical mix of jazz, blues, and funk, but they shouldn’t be surprised if he starts speaking in tongues in between guitar riffs. Hampton delights in bringing a supernatural vibe to the stage, and though it may seem unusual at first, you’ll be flying your freak flag just as high by the end of the night.