HIPPIES UNITE: Innovative guitarist/singer/songwriter Keller Williams is a mainstay on the jamfolk scene and, much like Yonder Mountain Stringband (also on the bill tonight), is responsible for inspiring throngs of hippies to bounce and twirl. We've never caught him live, but we understand he puts on quite the show. He'll be at Marymoor tonight, blowing some minds. 7 p.m. // Marymoor Park // $29.50 IT TOOK A LOT OF MONEY TO START MY HEART: If......

ART & TRAUMA: The Center on Contemporary Art in Ballard is kicking off its series of "After Dark" events with Slow Healing—a documentary/multi-media presentation about veterans of the wars in Iraq and Afghanistan who have returned from the field with Traumatic Brian Injuri (TBI). There'll be a slideshow at 9 p.m., followed by Butoh dancing and SEA SHOW. 9 p.m. // CoCA Ballard // $10-15 suggested donation ROOTS NIGHT: When this Seattlest talks about "roots,"......