Guster will perform at Washington Nationals third baseman Ryan Zimmerman’s 3rd Annual A Night At The Park charity concert. Scheduled to take place at Washington, DC’s Nationals Park on June 14, the benefit will support the ziMS Foundation, which helps fight MS (Zimmerman’s mother was diagnosed with MS in 1995). The show is slated to start at 6 PM, and Guster will perform on a stage positioned behind home plate. The night will also feature food, drink and an auction. Guster have no other currently scheduled shows, though singer/guitarist Ryan Miller will perform at a Levon Helm tribute at South Burlington, VT’s Higher Ground this evening.