Katy Perry "Chained to the Rhythm"

13 Things to Know About the Charts This Week: Katy Perry's Debut, Rihanna's 30th Hot 100 Top 10 & More

Ed Sheeran continues to reign supreme on the Billboard Hot 100, as "Shape of You" adds a fourth week to its chart-topping run. On the Billboard 200, the Fifty Shades Darker soundtrack debuts at No. 1, besting the No. 2 peak of the Fifty Shades of Grey soundtrack in 2015. Plus, Bruno Mars jumps to No. 1 on the Billboard Artist 100 following his tribute to Prince at the Grammy Awards on Feb. 12. Here are 13 other things you need to know about Billboard's charts this week.
Katherine Jackson

Michael Jackson's Mother Enters Estate Legal Fray

As the legal fight between Michael Jackson's estate and the IRS winds down, another battle is heating up. The estate has been involved in one lawsuit after another since the singer's death, facing off with Quincy Jones, Jackson's ex-manager Tohme Tohme and "Thriller" director Jon Landis — just to name a few. Now Katherine Jackson, the late King of Pop's mother, is asking the court to let her intervene in a lawsuit that centers on The Michael Jackson Company.
BMI Logo

BMI and Radio Industry Group Agree to Interim Licensing Rate

Broadcast Music Inc. (BMI) and the Radio Music License Committee (RMLC) have agreed to set an interim rate of 1.7 percent of radio revenue, while the two sides either negotiate a final rate, or failing that, go to rate court to determine the final number.