Complex sentence: With this famous ensemble, she played the title role of "Médée" by M.A. Charpentier whose recording (Harmonia Mundi) won the Gramophone Classical Music Awards in 1985, the Prize of the Académie Charles Cros and the Grand Prix du Disque de Montreux.
Split into simpler sentences: With this famous ensemble, she played the title role of Charpentier's "Médée". Its recording for the label Harmonia Mundi won the Gramophone Classical Music Awards in 1985, also the Prize of the Académie Charles Cros and the Grand Prix du Disque de Montreux.