The fun begins at 9 a.m. with the Lansdale Farmer's Market showcasing local produce. From 10 a.m. to 4 p.m., there will be an arts and music festival, a 25-year tradition sponsored by the Borough of Lansdale Parks and Recreation Department. Highlights: food, crafts, prizes, and performances by the Walnut Street Chamber Trio and Eric Mintel Jazz Quartet.