"King Roger" is an opera composed by Karol Szymanowski, first performed in 1926. The story is set in the 12th century and follows the life of King Roger II of Sicily, a ruler who grapples with his identity and desires. The opera explores themes of love, power, and the conflict between reason and instinct. The music of "King Roger" blends Western classical traditions with Eastern influences, reflecting the cultural diversity of Sicily during that era. The opera features rich orchestration and complex vocal lines, showcasing the emotional depth of the characters. It is considered one of Szymanowski's masterpieces and a significant work in the operatic repertoire.