Enjoy a movie under the stars this summer, courtesy of the East Contra Costa Historical Society. The Society will screen a movie at the historic Byer-Nail Museum this summer on the first Saturday night of the month. The next event takes place Saturday, July 3 and features the classic “The Music Man.” The museum and the grounds open around 8 p.m.; the movie begins as soon as it gets dark. For more information, call Ginny Karlberg at 408-910-6784.