Final answer:
The opera Der Rosenkavalier was composed by Richard Strauss, a prominent German composer known for his innovative and progressive works.
Step-by-step explanation:
The opera Der Rosenkavalier was composed by the illustrious German composer Richard Strauss. Strauss, known for his progressive musical style, challenged traditional audience expectations with his innovative compositions. Der Rosenkavalier, a comedic yet poignant opera, is one of his most celebrated works, demonstrating his masterful orchestration and complex character development.
Composing during the Romantic era, Strauss has left a significant mark on the world of classical music. His works often blend complexity with rich emotional textures, striking a balance between avant-garde tendencies and audience appeal. Der Rosenkavalier premiered in 1911 and quickly became a staple of the operatic repertoire, enchanting audiences ever since with its blend of humor, romance, and thoughtful commentary on changing social mores.