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
Joan Carden sang a concert repertoire including Verdi's "Requiem", appearing with Sydney Philharmonia and other ensembles. Overseas, she sang Gilda ("Rigoletto") at Covent Garden in 1974, Donna Anna ("Don Giovanni") at the 1977 Glyndebourne Festival (in the production by Sir Peter Hall) and with the Metropolitan Opera in 1978. Her American debut, however, was as Amenaide with the Houston Grand Opera opposite Marilyn Horne in Rossini's "Tancredi". She also appeared as Constanza ("The Abduction from the Seraglio") with Scottish Opera in 1978. In 1980, she performed with the National Symphony Orchestra at the Kennedy Center in Washington, D.C. She sang the four