On-Demand Songs

The On-Demand Songs chart is published weekly by Billboard magazine in the United States. It is a component to the Streaming Songs chart.

According to Billboard, the On-Demand Songs chart ranks the top on-demand play request and plays from unlimited listener-controlled radio channels on leading music subscription services.

The first On-Demand number-one song was "We Are Young" by Fun. featuring Janelle Monáe on March 24, 2012.

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Wikipedia