Answer
Montserrat Caballé won three Grammy awards during her career. The first was for Best Opera Recording in 1971 for her performance in Verdi's Aida. The second was for Best Classical Vocal Solo Performance in 1988 for her performance in Berlioz's Les Nuits d'Été. The third was for Best Opera Recording in 1994 for her performance in Donizetti's La Fille du Régiment.