Milton J. Cross (1888–1974) was an influential American radio broadcaster and musicologist, best known for his long tenure as the host of the Metropolitan Opera radio broadcasts from 1931 to 1971. While not a performer or composer, Cross significantly impacted the appreciation of classical music in America through his engaging commentary and ability to connect with audiences. His genre primarily encompassed classical music, particularly opera. Cross's notable works include his extensive written contributions, such as "The Metropolitan Opera: A 75th Anniversary Celebration," and his role in the establishment of the opera broadcast format, which brought live performances into the homes of millions. Cross was instrumental in demystifying opera for the general public, providing insightful background on composers, performers, and the stories behind the operas. His efforts helped cultivate a broader audience for classical music in the United States and fostered a greater understanding of the art form. Through his engaging style and dedication, Milton J. Cross remains a significant figure in the history of music broadcasting and the popularization of opera in American culture.