A Tribute to Dr. Martin Luther King, Jr. by Schola Cantorum. At a time when race relations are once again making headlines, and the movie Selma hits the big screen, it’s serendipitous that we present a tribute to Martin Luther King, Jr. Schola vocalist Marjorie Halloran has composed an original work titled Behind the Dim Unknown. This work is a layering of patriotic melodies sung by the chorus, and spoken word solos inspired by Dr. King’s writings and abolitionist texts.…