This year’s SweetWater 420 Fest will take place at Centennial Olympic Park in Atlanta April 19 – 21. Organizers of the three-day music festival, SweetWater Brewing Company and Happy Ending Productions, confirmed the full lineup for the event. br br New additions include Joe Russo’s Almost Dead, JJ Grey & Mofro, Pigeons Playing Ping Pong, Iration, SunSquabi and Billy Strings. Cory Henry & The Funk Apostles, BIG Something, Cory Wong, Fruition, Pink Talking Fish and Zach Deputy & The Yankees are more of the groups now confirmed to play this year’s event.