Impromptu
type: WorkPerformance
cello: http://data.carnegiehall.org/names/57970
piano: http://data.carnegiehall.org/names/44726
performer: http://data.carnegiehall.org/names/44726
performer: http://data.carnegiehall.org/names/57970
work performed: http://data.carnegiehall.org/works/56034