an Entity references as follows:
La bohême / Giacomo Puccini, comp.; Placido Domingo, T (Rodolfo); Montserrat Caballé, S (Mimi); Sherrill Milnes, BAR (Marcello)... [et al.]; the John Alldis choir, Wandsworth School boy's choir; Russell Burgess, chef de choeur; London philharmonic orchestra; Sir Georg Solti, dir.