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 number-one On-Demand song was "We Are Young" by fun. featuring Janelle Monáe on March 24, 2012. As of the issue dated May 24, 2014, the On-Demand Songs chart has had 24 different number-one songs. Its current number one is "Fancy" by Iggy Azalea featuring Charli XCX.