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 Stader "The Abduction from the Seraglio", two versions (1954 and 1960) of 'Exsultate, jubilate' and the Great Mass, as well as Verdi's Messa da Requiem. She won, the Geneva International Music Competition in 1939, but although she "seemed poised for major stardom... her career was delayed by the outbreak of World War II," according to "Opera News". Later in her career, Stader acquired a reputation as an outstanding Bach interpreter, especially with Karl Richter and Ferenc Fricsay. She recorded the "Requiem" by Antonín Dvořák with Karel Ančerl, and Beethoven's opera "Fidelio" (as Marzelline) with Hans Knappertsbusch. Stader was highly praised for