1. The composer experimented with polytonalism in his latest symphony, combining different keys simultaneously. (这位作曲家在他最新的交响乐中尝试了多调性,同时结合了不同的调式。)
2. Polytonalism is often used in modern jazz music to create complex and dissonant harmonies. (多调性经常在现代爵士乐中用来创造复杂和不和谐的和声。)