Aston Magna presents “Celebrating Beethoven’s 251st Birthday.” Julie Leven and Daniel Stepner, baroque violins; Jason Fisher, viola, and Jacques Lee Wood, cello. The quartet will offer Beethoven’s “Eyeglass Duo,” a string trio in C Minor, and selected string quartet movements, including the Grosse Fuge. Free, donations welcome. Link to the event July 17 at 7 p.m., astonmagna.org/july-24