Ridgefield – Music Shabbat: Spirituals for Martin Luther King Day; Annual Black/Jewish Spirituals Shabbat with Serendipity Chorale conducted by Gigi Van Dyke; all are invited to sing with this interfaith chorale, rehearsal is Sunday, Jan. 7, 3 p.m.; service is Jan. 12, 6 p.m. rehearsal, 7 p.m. Congregation Shir Shalom, 46 Peaceable St.; to join the choir contact Cantor Debbie Katchko-Gray, cantordebbie@ourshirshalom.org; for information: (203) 438-6589, ourshirshalom.org.