Witness
type: WorkPerformance
bass baritone: http://data.carnegiehall.org/names/23583
piano: http://data.carnegiehall.org/names/46003
performer: http://data.carnegiehall.org/names/46003
performer: http://data.carnegiehall.org/names/23583
work performed: http://data.carnegiehall.org/works/10326