The YouTube 100 will rank both official videos as well as user-generated and viral ones. It will be updated weekly.

It sits as a sidebar on the main YouTube Music site and features shortcut buttons to view the chart placings in groups of 10 as well as play the entire top 20 in sequence.

The issue of user-uploaded videos may cause copyright concerns and skew the rankings if and when any contested videos are removed at the request of the ...