Songs (unspecified)
type: WorkPerformance
mezzo soprano: http://data.carnegiehall.org/names/7714
piano: http://data.carnegiehall.org/names/9712
performer: http://data.carnegiehall.org/names/7714
performer: http://data.carnegiehall.org/names/9712
work performed: http://data.carnegiehall.org/works/120123