May 8, 2015 Atlanta – The Strokes’ Nick Valensi (right) and Nikolai Fraiture perform on stage during the first day of the Shaky Knees Music Festival at Central Park in Atlanta on Friday, May 8, 2015. The Pixies, Mastodon, The Strokes, TV on the Radio, Manchester Orchestra and many more artists all performed on Friday. JONATHAN PHILLIPS / SPECIAL