There's onDemand streaming, which tracks activity on places like Spotify, Rhapsody, and other music streaming services out there. Then there's video streaming, which tracks activity on YouTube and Yahoo.
Wow that sounds like a pretty big feat. Anyway who are the four pop girls? And what is the name of the chart for rhythmic on Billboard? I can only find R&B/Hip-hop there.
Christina Aguilera and Pink, when E.T. went #1 she was the third one to do it.
In some weeks, no one will be able to block her (I don't see who), Carly, Gotye & the Maroon 5 will start decreasing on the radios while Wide Awake will increase !