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Heavy Rotation
Heavy Rotation may refer to:

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Rotation (music)
In broadcasting, rotation is the repeated airing of a limited playlist of songs on a radio station or satellite radio channel, or music videos on a TV network. They are usually in a different order each time. However, they are not completely shuffled, so as to avoid varying the time between any two consecutive plays of a given song by either too much or too little. Stations playing new music typically have a short rotation of around four hours, while stations playing "classics" may go as long as eight hours.  College radio and indie radio stations sometimes have no particular rotation, only the music director's suggested lists for the disc jockeys, or are totally freeform radio.  Broadcast automation systems handle a limited rotation quite well, in turn making voice tracking easy. Even if a live person is present, the automation system at commercial stations usually picks the music ahead of time out of the current rotation, thus the DJ becomes only an announcer.

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