O magnum mysterium
type: WorkPerformance
choir: http://data.carnegiehall.org/names/97529
conductor: http://data.carnegiehall.org/names/20318
performer: http://data.carnegiehall.org/names/97529
performer: http://data.carnegiehall.org/names/20318
work performed: http://data.carnegiehall.org/works/90774