The Nov. 19 release of the soundtrack to "The Hunger Games: Catching Fire" was preceded by three singles from Coldplay, Christina Aguilera and Sia -- a feat notable not just for Republic's collaboration with the acts' respective labels to work the songs at radio, but for the landmark improvements to Apple's bundling of tracks into album pre-orders.

Subscribe to billboard biz to continue reading this article and thousands more. subscribers get:
  • 24/7 coverage of every genre and sector of the business with over 150 exclusive charts
  • Bulletin: Breaking stories, chart info and analysis sent directly to your inbox every weekday
  • Billboard Magazine iPad Edition: An enhanced version of the magazine with video, photo galleries and playable charts
  • Archives: A rich history of articles and exclusive charts

Join now or Log In