Equation
type: WorkPerformance
alto saxophone: http://data.carnegiehall.org/names/14815
double bass: http://data.carnegiehall.org/names/24731
performer: http://data.carnegiehall.org/names/14815
performer: http://data.carnegiehall.org/names/24731
work performed: http://data.carnegiehall.org/works/107602