"Harlem Shake" Debuts At the Top In This Week's US Pop Music Charts

This week for the first time Billboard incorporates YouTube data in putting together the Hot 100 chart. As a result, Baauer's viral smash "Harlem Shake" roars to a #1 chart debut. Elsewhere the Grammy Awards have a big impact on the album chart. Read more details in this week's coverage of the US pop music charts.

_{Single cover courtesy Mad Decent}