Someone came knocking
type: WorkPerformance
mezzo soprano: http://data.carnegiehall.org/names/26443
piano: http://data.carnegiehall.org/names/13086
performer: http://data.carnegiehall.org/names/13086
performer: http://data.carnegiehall.org/names/26443
work performed: http://data.carnegiehall.org/works/14138