Old Sloop Coffeehouse will present Martyn Joseph in concert at 7:30 p.m. March 21 at the handicapped-accessible First Congregational Church of Rockport, 12 School St.

Joseph is an acclaimed singer-songwriter. He has had a career spanning 30 years, 32 albums, over a half a million record sales and thousands of live performances.

Boston-based singer-songwriter Antje Duvekot will open. Duvekot has won the Grand Prize in the John Lennon Songwriting Competition, the Kerrville Festival Best New Folk Award and a Boston Music Award for Outstanding Folk Act. Her song “Merry Go Round” was featured in a national TV advertising campaign for Bank of America and was played during the Super Bowl.

Advance tickets are $12. The suggested contribution at the door is $14 for adults, $5 for those 18 and younger and $28 for families.

For information, visit http://oldsloopcoffeehouse.org.