EVANSVILLE, Ind. — Fireflies, food, music and planes are among the things to learn more about or participate in over this weekend and into next week in the Tri-State. There are a number of festivals planned this weekend along with a play opening. Check out some of the weekend's happenings. Friday Continues through Sunday, New Harmony In its 10th year, the New Harmony Music Festival offers days of pop-up concerts, outdoor music events, film and folk jam sessions, all free and open to the public. For a full schedule of concerts and events visit newharmonymusicfest.com/concerts/. Lunch on the Lawn