If you're looking for a super fun tour without having to leave downtown, this is the place for you. We went to this tour on Saturday then Corsair's distillery tour on Sunday. I give both tours 5 stars, but I found Corsair's to be more informative. However, I clearly loved my experience at Tenn South.
Tommy, our tour guide, really made the tour. He was amazing, hilarious, and simply a cool guy to hangout with for an hour. My group (4) along with two others felt like a private tour. After our tour, my group stayed in the upstairs bar to finish our drinks before heading out. This illustrates the chill vibe of Big Machine. The drinks, also, set the bar for what ended up being a great day. The only negative of the whole experience was the slight confusion with the Tenn South/Big Machine naming, which led to a bit of confusion finding the location.
This tour is perfect for large groups staying downtown and those more interested in the experience than the educational side of distilling.