Martha: Aria (unspecified)
type: WorkPerformance
piano: http://data.carnegiehall.org/names/30047
tenor: http://data.carnegiehall.org/names/41771
performer: http://data.carnegiehall.org/names/30047
performer: http://data.carnegiehall.org/names/41771
work performed: http://data.carnegiehall.org/works/36247