Duet (unspecified)
type: WorkPerformance
mezzo soprano: http://data.carnegiehall.org/names/142903
piano: http://data.carnegiehall.org/names/140860
soprano: http://data.carnegiehall.org/names/142902
performer: http://data.carnegiehall.org/names/142903
performer: http://data.carnegiehall.org/names/140860
performer: http://data.carnegiehall.org/names/142902
work performed: http://data.carnegiehall.org/works/123081