1. Ask Billboard: Readers' Favorites Of 2013

    December 27, 2013 4:05 PM EST As always, submit your questions about Billboard charts, as well as general music musings, to askbb@billboard.com . Please include your first and last name, as well as your city, state and country, if outside the U.S. Or, Tweet questions to Gary Trust: @gthot20 CHART BEAT READERS'…