Katy Perry will be headlining the Silence The Violence benefit concert with a special acoustic set on Oct 11th in Washington, D.C. The concert will raise funds for the David Lynch Foundation, “to bring one of the most important tools I use to keep me balanced and creative with a positive mindset – transcendental meditation – to at-risk youth” in partnership with The Arc. Tickets will be available on pre-sale tomorrow and on general sale this Friday, August 23rd here at 10AM ET.