Doors open at 6pm Celebrate Wavy Gravy's 90th birthday, honoring a lifetime devoted to service and joy, with a benefit concert featuring Cat Power, Steve Earle, Maria Muldaur, Todd Rundgren, Peter Rowan, Harper Simon, and very special guests TBA, with musical director Larry Campbell joined by Tony Garnier, Greg Leisz, Matt Rollings, Denny Fongheiser, and Teresa Williams. Every ticket helps provide at least one sight-saving surgery through Seva. VIP packages at seva.org/wavy