Midcoast Performing Arts Initiative will present Maine native Ashley Emerson, a Metropolitan Opera soprano, and her husband, tenor Dominic Armstrong (shown), at Crosby Center, 96 Church Street, Belfast, on Sunday, August 18, at 2 p.m. Pianist William Hobb will also appear in the concert of music by Copland, Robert Schumann, Clara Schumann and Leonard Bernstein. Tickets, $20, are available through Crosby Center’s Facebook page. For more information, call Christopher Groden, 323-4505, or email cgroden@gmail.com.