The Brief The Shaky Knees Music Festival relocated to Piedmont Park, attracting thousands and featuring major acts like Deftones, Sublime, and Lenny Kravitz on its opening day. The Shaky Knees Music Festival opened Friday in Piedmont Park, drawing thousands of fans to Midtown for its first year at the new location. What they're saying:"This is millennial throwback weekend," said Tim and Kim Elem of Atlanta, who live along the Beltline and walked to the park. Sublime," Richardson said. Tenth Street along the park is closed, and sewer work has shut down one side of the block.