The "New World Symphony", the quartet Op. 96 quintet Op. 97, known as the "Americans", were all composed over a summer in Spillville, Iowa. On vacation from his posting at the American Conservatory (now the Juilliard School), Dvorak visited a Czech community in Spillville and took inspiration from the Black spirituals, American Indian music, Irish tunes, and elements of the nature around him. Tasked both by himself and by the National Conservatory (now the Juilliard School) with creating an American national sound, Dvorak synthesized these different elements into a sound that uniquely described the American landscape and went on to influence American composition and music for the next century and beyond.