Join us at the Waltham Museum on May 31st at 1:30pm as we continue our Social Series with “Harmony in Bloom” with Chaos Theory Chaos Theory Quartet, an all-women’s barbershop quartet, is pleased to participate in the Waltham Museum’s artist series. Celebrate spring with Ashley (lead), Dianne (bass), Jane (tenor) and Sherri (baritone) to hear a variety of classic and new favorites and learn more about the barbershop style! Check us out on Facebook! Our free event will take place on Sunday, May 31st at 1:30pm 25 Lexington St. Waltham. Tours and refreshments available. Seats are limited, so signup by calling 781-893-9020 or emailing info@walthammuseum.org with name, phone# & email, and number of participants. Parking available in the Public Parking Garage directly across from the Waltham Museum. This program is supported in part by a grant from the Waltham Cultural Council, a local agency funded by Mass Cultural Council, a state agency.