Ar Hyd y Nos (All Through the Night)
type: WorkPerformance
bass baritone: http://data.carnegiehall.org/names/20801
harp: http://data.carnegiehall.org/names/131051
piano: http://data.carnegiehall.org/names/103442
performer: http://data.carnegiehall.org/names/103442
performer: http://data.carnegiehall.org/names/131051
performer: http://data.carnegiehall.org/names/20801
work performed: http://data.carnegiehall.org/works/115477