FILE - In a Sunday, April 3, 2016 file photo, Bono, left, and The Edge of U2 accept the innovator award as presenter Pharrell Williams looks on at right during the iHeartRadio Music Awards at The ... more 
FILE - In a Sunday, April 3, 2016 file photo, Bono, left, and The Edge of U2 accept the innovator award as presenter Pharrell Williams looks on at right during the iHeartRadio Music Awards at The Forum, in Inglewood, Calif. U2, Drake, Britney Spears and Sting will perform at the 2016 iHearRadio Music Festival in September during the two-day event at the T-Mobile Arena in Las Vegas on Sept. 23-24, iHeartMedia announced Monday, July 25, 2016. (Photo by Chris Pizzello/Invision/AP, File) less 
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Associated Press
Mon, Jul 25, 2016 9:00 AM EDT