Complex sentence: She studied at the Conservatory in The Hague and made her debut on the opera stage as Dido in Purcell's "Dido and Aeneas" in 1991.
Split into simpler sentences: She studied at the Conservatory in The Hague. She made her debut on the opera stage as Dido in Purcell's "Dido and Aeneas" in 1991.