Riccardo Primo - Sara Mingardo (contralto), Costanza - Sandrine Piau (soprano), Pulcheria - Claire Brua (soprano), Oronte - Pascal Bertin (countertenor), Berardo - Olivier Lallouette (baritone), Isacio - Roberto Scaltriti (bass). Recording Date: June 4, 1995 - June 11, 1995.