The Tufts Jackson Jills and the Manic Optimists of Bates College are joining forces for a free concert, “Special Ops and Manic Ops,” in Tufts Alumnae Lounge. Join the groups for a night of a cappella singing and spying . . .  hear some dank new songs and relive your Totally Spies phase.

Founded in 1963, the Jackson Jills are Tufts’ oldest all-female a cappella group. The Manic Optimists are an all-male a cappella group from Bates College in Maine.

No tickets required.