I puritani: Duet (unspecified)
type: WorkPerformance
baritone: http://data.carnegiehall.org/names/90553
bass: http://data.carnegiehall.org/names/90551
performer: http://data.carnegiehall.org/names/90551
performer: http://data.carnegiehall.org/names/90553
work performed: http://data.carnegiehall.org/works/53760