Radio Musical Nacional, also known as CMBF, is Cuba's national classical music radio station, broadcasting from Havana. Established in 1933, it was nationalized in 1960 and renamed CMBF Radio Musical Nacional in 1961, expanding its programming to include informational content and cultural promotion. The station is operated by the Institute of Information and Social Communication and can be heard on AM and FM frequencies nationwide. It also streams online and features a diverse range of programming including classical music, ballet, cinema, theater, visual arts, and literature.