Complex sentence: Born in Colmar in 1786, she was an accomplished keyboard player and her performances in Vienna in 1804 attracted the admiration of Haydn, Salieri and Beethoven.
Split into simpler sentences: Born in Colmar in 1786, she was an accomplished keyboard player. In 1804, she moved to Vienna, where her performances attracted the admiration of Haydn, Salieri and Beethoven.