A contemporary Tenebrae Service titled "The Shadow of the Cross", will be held at 4 p.m. Sunday, March 25, at Trinity Lutheran Church, 175 S. Third St., Lehighton. Tenebrae is the Latin word for "shadows" or "darkness." The sanctuary choir and guest musicians, featuring piano, cello, oboe, flute and French horn, will remember the last three days of Holy Week during this ceremony.