The Windham Theatre Guild’s Adult Broadway Chorus presents its spring chorus concert “It’s A Grand Night For Singing” at 7:30 p.m. at the Burton Leavitt Theatre, 779 Main St., Willimantic. Features selections from the Broadway musicals “Kiss Me Kate,” “ State Fair,” “Aida” and “The Sound of Music.” Admission: $10 adults, $8 students and seniors, $5 children under age 12. Tickets at the door or by calling 423-2245.