If I had known
type: WorkPerformance
type: Q204854
piano: http://data.carnegiehall.org/names/17978
soprano: http://data.carnegiehall.org/names/35948
performer: http://data.carnegiehall.org/names/17978
performer: http://data.carnegiehall.org/names/35948
work performed: http://data.carnegiehall.org/works/27187
comment: world premiere