Reporter Natalie Bader traces the path a girl’s hand-clapping game took from the playground to the pop music charts, and makes discoveries that will probably change your understanding of certain songs forever. Click to email a link to a friend (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to print (Opens in new window) Related