Final answer:
The Promotion department is responsible for getting music played on the radio.
Step-by-step explanation:
The music business department responsible for getting music played on the radio is Promotion. The promotion department in a music business is responsible for creating awareness and generating interest in an artist or their music. They develop strategies to get songs played on the radio, which involves contacting radio stations, DJs, and music directors to convince them to play the music on their station.
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