Dervish concert at Belleville Stage: 8 p.m. March 18, Belleville Stage, 300 High St., Newburyport. Belleville Roots Music presents Dervish in concert, an evening of traditional Irish music. Audience members will hear the charismatic vocals of Cathy Jordan, Liam Kelly on flute and whistles, Shane Mitchell on accordion, Brian McDonagh on mandolin and Michael Holmes on bouzouki. The concert’s special guest will be Irish fiddle player Kevin Burke. Tickets: in advance, $30; day of the show, $35; children ages 18 and younger, $10. For information and tickets: bellevilleroots@gmail.com; bellevilleroots.org.