A professional who announces radio program of musical selections. Responsibilities include:

• Selects phonograph or tape recording to be played based on program specialty, knowledge of audience taste, or listening audience requests.
• Comments on music and other matters of interest to audience, such as weather, time, or traffic conditions.
• May interview musical personalities.
• May interview members of listening audience who telephone musical requests.
• May specialize in one type of music, such as classical, pop, rock, or country and western.
• May write entries onto log to provide information on all elements aired during broadcast, such as musical selections and station promotions.
• May be designated Combination Operator when operating transmitter or control console.