The Mark Ronson/Bruno Mars chart-topper gains five co-writers, after a claim by The Gap Band's publisher.

Mark Ronson's "Uptown Funk!" -- the Bruno Mars-featuring hit that recently topped the Billboard Hot 100 for 14 weeks -- originally had six songwriters. On April 28, it officially picked up another five.

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