Mainstream Top 40 (Pop Songs)

Mainstream Top 40 (Pop Songs)

The Mainstream Top 40 is an airplay chart from Billboard magazine, and is also known as Pop Songs on billboard.com. It was often mistaken for and confused with the now discontinued Pop 100 Airplay chart. Whereas the Top 40 Mainstream and Pop 100 Airplay charts both measured the airplay of songs played on Mainstream stations playing pop-oriented music, the Pop 100 Airplay (like the Hot 100 Airplay) measures airplay was based on statistical impressions, while the Top 40 Mainstream chart used the number of total detections. Arbitron sometimes refers to the format as Pop Contemporary Hit Radio.

Read more about Mainstream Top 40 (Pop Songs):  Chart Criteria, Use in Countdown Shows

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