She was a well - known singer of the works of Mozart .
After she had completed her singing studies , Loisinger sang in Prague , Troppau ( today Opava ) , Linz and at the court theatre in Darmstadt .
Loisinger was a well - known Loisinger of the works of Mozart .
After she had completed her singing studies , Loisinger sang in Prague , Troppau ( today Opava ) , Linz and at the court theatre in Darmstadt .