It appears as though the Forecastle Festival in Louisville, KY has leaked their 2013 lineup! The festival takes place July 12-14 at Waterfront Park in Louisville, KY. Tickets go on-sale this Wednesday. We won't know until noon if this lineup is accurate, but according to an image posted on their website it will be The Black Keys, The Stringcheese Incident, The Avett Brothers, The Flaming Lips, Alabama Shakes, Jim James, Grace Potter & The Nocturnals, Animal Collective, Old Crow Medicine Show, Young The Giant, Big Boi, Matt & Kim & Many more.. Check it out here