Stream music and podcasts FREE on Amazon Music. No credit card required.Listen free 1. Orfeo, SV 318, Act 4: "Signor, quel infelice" (Proserpina, Plutone, Spiriti del Coro, Coro di Spiriti)Sergio Vartolo, Orfeo Orchestra, Sara Mingardo, Loris Bertolo, Gabriella Martellacci & Francesco de Poli