Singers of "Lagos City Chorale" choir of Nigeria greet people during the 2014 World Choir Games parade of nations in RigaSingers of Tehran Vocal Ensemble of Iran gather before the 2014 World Choir Games parade of nations in RigaA singer of the "Singvolution" choir of Germany greets people during the 2014 World Choir Games parade of nations in RigaSingers from the "Carubna Frula" choir of Croatia gather before the 2014 World Choir Games parade of nations in Riga