Gottfried van Swieten and income following the earlier completion of their Grand Tour of Europe. According to Mozart's father Leopold, Van Swieten was involved in the early planning of Wolfgang's ill-fated opera "La Finta Semplice" (the opera was later blocked by intrigues, and could be performed only in Salzburg). In 1781, shortly after Mozart had moved to Vienna, van Swieten met him again: at the salon of Countess Thun, Mozart played extracts from his recent opera Idomeneo, with van Swieten and other important officials in the audience; this event helped instigate Mozart's commission for the opera "The Abduction from the Seraglio", his first
Maria Nemeth repertoire. Star soprano at the Vienna State Opera from 1925 until 1946, she also appeared at the Paris Opéra in 1928, as Constanze in the "Abduction from the Seraglio", and at the Royal Opera House in London, as "Turandot", in 1931. Her amazing voice and remarkable technique enabled her to excel in roles as diverse as Constanze and Queen of Night, Amelia and Aida. Considered one of the best Donna Anna, Tosca, and Turandot of her time. She also tackled Wagner roles, such as Brünnhilde, with success. She died in Vienna. Maria Nemeth Maria Nemeth (Hungarian: Németh Mária; March 13,