The Good Friday Blues, now in its 24th year at St. Mark’s Church, features speakers and musicians in this service-event, organized by St. Mark’s Church music director Jeannine Otis. The 25-member choir will appear, joined by guest musicians, along with a stellar line-up of speakers, including Naomi Tutu (daughter of Bishop Tutu); poet Padraig O Tuama; and author and Civil Rights Activist Nell Braxton Gibson. Event runs from 12 noon to 3 PM at St. Mark’s Church.