Guitar Hero: Metallica is the second game of the Guitar Hero series to focus on the career and songs of one band, with support for lead and bass guitar, drums, and vocals.
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in an interview with Game Informer noted that the band stood up for the inclusion of the band Slayer against Microsoft's concerns on the explicit lyrical content of the group's songs. Alan Flores, lead designer for the game, noted that they had originally cleared Slayer's "Angel of Death" but had to pull it due at a late date to pressure on the song's background, instead, at the urging of Ulrich, successfully cleared "War Ensemble" and rushed to include it in the game. See more
Spun-off from Guitar Hero