How the Grammys Audio Team Ensures an Award-Winning Show

The Grammy Awards broadcast (Sunday night at 8 p.m. ET on CBS) is arguably the largest musical event of the year, featuring live performances from some of the biggest names in music. What you may not realize while you're watching the event at home Sunday evening is that each one of the 21 live performances during this year's show were only rehearsed with the live crew just a few times. Every Grammy performer was given between an hour to an hour and half Thursday through Saturday to rehearse in L...