What is the fine-grained topic of the following text: “Byzantine Horizons”, 3rd chapter of CROWN OF AUTUMN twenty-year career, presents a perfect balance between their classic and unique style of Epic Dark Metal with exciting new elements closer to Ethnic Folk Music and Dark Wave. Only return the topic.
The 3rd chapter of CROWN OF AUTUMN's music career, "Byzantine Horizons", blending Epic Dark Metal with Ethnic Folk Music and Dark Wave elements.