21 Things You Didn't Know About Metallica
17. Metallica's Death Magnetic Debuted In Guitar Hero Alongside On Shelves
Not only was Metallica's 2008 album available as a download in-game on the day of release (a world first), the version of Suicide and Redemption features a few extended parts, including more of Trujillo's rumbling bass intro.
Known as 'J.H.' and 'K.H.' you can pick from two extended guitar solos, turning out to be James Hetfield or Kirk Hammett's performances. As they were then combined for the album version, outside of Youtube this is the only place you can hear these versions through any legal means.