In ecclesiis
type: WorkPerformance
choir: http://data.carnegiehall.org/names/34991
choir: http://data.carnegiehall.org/names/49462
performer: http://data.carnegiehall.org/names/34991
performer: http://data.carnegiehall.org/names/49462
work performed: http://data.carnegiehall.org/works/47980