Witness
type: WorkPerformance
contralto: http://data.carnegiehall.org/names/8332
piano: http://data.carnegiehall.org/names/7208
performer: http://data.carnegiehall.org/names/7208
performer: http://data.carnegiehall.org/names/8332
work performed: http://data.carnegiehall.org/works/10326