Appalatin has just released its second album, Waterside, and celebrated with a party at Headliners. And party they did, with giveaways of their new disc and other merch, not to mention having some of their musical friends join them onstage. As the band’s name implies, Appalatin plays music (mostly original), with roots based in the folk traditions of Appalachia and Latin America. They heated up the room with “Kentucky Soul Fly Free” from the new disc, followed by “A Little Bit of Love” and the title track “Down By the Waterside.” Many friends of the band joined for guest spots, including Andrea Davidson. A highlight was the arrangement of the classic “Shady Grove,” featuring John Gage, who was acknowledged by the band for his encouragement early on. They closed with their version of “My Old Kentucky Home” and a Brazilian instrumental featuring lots of percussion and chanting. For those not familiar with Appalatin (are there any of you out there?), this band’s instrumentation includes acoustic guitars, panpipes, percussion, harmonica, bass and more, woven together in a way that is very danceable and enjoyable.