an Entity references as follows:
Tosca: highlights / Giacomo Puccini, comp.; Eva Marton, S (Floria Tosca); José Carreras, T (Mario Cavaradossi); Juan Pons, BAR (Baron Scarpia)... [et al.]; Hungarian State Radio & Television Chorus; Ferenc Sapszono, Paul Griffiths, chef de choeur; Hungarian State Orchestra; Michael Tilson Thomas, dir.