This creator of the first card catalog invited Mozart and Beethoven to his library to study fugues by Baroque masters like Bach and Handel, whose manuscripts had already fallen into obscurity. For 10 points each:
[10m] Name this librettist of the Creation and Seasons oratorios who had Haydn imitate frogs croaking “Frenchified trash.” Beethoven dedicated his First Symphony to this patron, an Austrian baron who arranged Mozart’s funeral.
ANSWER: Gottfried van Swieten [or Baron van Swieten]
[10e] Swieten met Mozart after he and Nannerl rose to international fame as child prodigies on this 3-year trip that stopped in London, Paris, and The Hague. 18th-century aristocratic young men traditionally embarked on this two-word cultural journey.
ANSWER: Mozart family’s grand tour of Western Europe [accept Grand Tour]
[10h] Mozart often played piano four-hands with this singer and composer who lived in the same building as Haydn, Porpora, the Esterhazys, and her poet friend Metastasio, where she hosted soirées that united Vienna’s music scene.
ANSWER: Marianna Martines [or Marianne von Martinez; or Anna Caterina Martines]
<OL, Classical Music and Opera>