What: Hill Country Conservancy Benefit Concert featuring The Old 97’s with Ben Kweller. When: Wednesday, April 14th, 2010, Doors at 6:30 p.m., Show at 7:30 p.m. Where: Stubb’s Outdoor Amphitheater. The Old 97's and special guest Ben Kweller play an Earth Week benefit concert for Austin environmental nonprofits, Hill Country Conservancy and the Sierra Club. The show kicks off a week of events in celebration of the 40th Anniversary of Earth Day. General admission is $18. Buy tickets at http://tinyurl.com/earthdayconcert. All proceeds from the show benefit Hill Country Conservancy and the Sierra Club.