2 October 2010. Tribal Chamber Choir and Orchestra perform Vivaldi's Gloria, Bach's Jauchzett Gott and Mozart's Regina Coeli in the Pontifical Irish College. Named in honour of the City of the Tribes, the classical choral group are based in Galway, Ireland, and comprise 30 singers. Directed by Mark Keane, the choir features soprano Deise Leigh and mezzo soprano Amy Payne. Free admission.