[av_heading heading='Carlos Santana, Robert Plant, Bill Kreutzmann, Phil Lesh Perform at LOCKN' tag='h3' style='blockquote modern-quote' size='' subheading_active='subheading_below' subheading_size='15' padding='10' color='' custom_font=''] Written by: Matthew McGuire [/av_heading] The Lockn' Music Festival is set to return to Arrington, Virginia this upcoming September 10-13. Last year, the event hosted two nights of Phil Lesh with Friends, the String Cheese Incident, and Widespread Panic. The top three are returning this year, as well as some new acts to spice up the lineup. Galactic and Soulive are heating up the jazz scene at Lockn' on Thursday. These acts have been known to mix it up on