Strictly germ-proof
type: WorkPerformance
baritone: http://data.carnegiehall.org/names/16110
piano: http://data.carnegiehall.org/names/1527
performer: http://data.carnegiehall.org/names/1527
performer: http://data.carnegiehall.org/names/16110
work performed: http://data.carnegiehall.org/works/39824