Lars Ulrich of Metallica Reveals James Hetfield Was 'Livid' After Technical Problems Plagued Grammys Performance

Although technical issues marred Lady Gaga's duet with Metallica at Sunday's Grammy Awards, the musicians soldiered on through their rendition of "Moth into Flame." However, lead singer James Hetfeld was not happy about his microphone malfunctioning. Drummer Lars Ulrich appeared on The Late Late Show with James Corden to discuss what he previously called a "clusterf--" performance. Hetfeld showed his frustration by knocking down the non-working mic in the middle of the song and throwing his guit...