'American Idol': Katy Perry drowned out by Iam Tongi fans, 'threatened' by Haven Madison's talent

'American Idol': Katy Perry drowned out by Iam Tongi fans, 'threatened' by Haven Madison's talent https://ift.tt/OtA3pBu

"American Idol" delivered a fiery episode Sunday night, which saw the top 12 take on songs from artists in the Rock & Roll Hall of Fame.