Some more Summerfest acts have leaked out, including Kings of Leon on July 2, My Morning Jacket on July 3 and The Wood Brothers on July 5. Blues rock guitar legend Robin Trower -- of Procol Harum fame -- plays on July 6, Train appears on July 7. Panic at the Disco plays July 8. The revived Go-Go's are slated for June 29 and Kid Beyond plays on July 1.