The L.A. band enlists the support of Slash, Peter Gabriel and others for a benefit album, available at its Music for Relief website. Los Angeles-based hard rock act Linkin Park hadn't planned to resurrect a 3-year-old unfinished song, but in the days after the devastating Jan. 12 earthquake in Haiti, the band went scouring through its vaults, eventually finding and completing the track "Not Alone" at 3 a.m.