resurrected christ triumphing high above the altar. ♪ nobis ♪ ♪ dona nobis ♪ ♪ nobis pacem ♪ ♪ pacem ♪ musiclement each other. the organ loft fills the church with glorious sounds as mozart, 250 years after his birth, is still powering worship with his musical genius. ♪ nobis ♪ ♪ nobis pacem ♪ ♪ nobis ♪ ♪ pacem ♪ >>> good evening from new york, i'm tavis smiley. 50 years ago, dr. martin luther king delivered his speech, "beyond vietnam" at the riverside church, minutes away from this studio. it was a courageous speech. one based on justice and compassion. tonight, we continue our week long discussion commemorating the anniversary of dr. king's speech, speaking with special guest about his anti-war, projustice theme, and gauging where america falls on the triple evil of militarism. our friend, harry belafonte. we are glad you joined us. this is coming up in a momt.