John Mayer: Miley Cyrus' album a 'masterwork of whack genius'

John Mayer thinks Miley Cyrus' new album is a "masterwork of whack genius."

The 37-year-old singer-songwriter has praised the 'Wrecking Ball' hitmaker's new album 'Miley Cyrus & Her Dead Petz', which has received mixed reviews since it dropped, and admitted he's "totally transfixed" by the experimental sound.