Witness
type: WorkPerformance
choir: http://data.carnegiehall.org/names/70367
conductor: http://data.carnegiehall.org/names/70369
performer: http://data.carnegiehall.org/names/70367
performer: http://data.carnegiehall.org/names/70369
work performed: http://data.carnegiehall.org/works/15608