American folk songs (unspecified)
type: WorkPerformance
choir: http://data.carnegiehall.org/names/87403
choir: http://data.carnegiehall.org/names/9766
piano: http://data.carnegiehall.org/names/87393
performer: http://data.carnegiehall.org/names/87393
performer: http://data.carnegiehall.org/names/87403
performer: http://data.carnegiehall.org/names/9766
work performed: http://data.carnegiehall.org/works/35167