It’s like mother, like son when Willy Mason and Jemima James flex their musical muscles on stage at the Martha’s Vineyard Playhouse in the Marilyn Meyerhoff Lobby on Thursday, Jan. 8, at 7:30 p.m. Tickets are $18 and doors open at 7 p.m. Visit mvplayhouse.org or call 508-696-6300 for more information.