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LAS VEGAS - SEPTEMBER 08: Musician Joe Hahn of Linkin Park plays a Gibson guitar at the Star Lounge In Honor of Rolling Stone's 40th Anniversary at the Hard Rock Hotel and Casino on September 8, 2007 in Las Vegas, Nevada. (Photo by Amy Graves/WireImage for Key Group)

LAS VEGAS - SEPTEMBER 08: Musician Joe Hahn of Linkin Park plays a Gibson guitar at the Star Lounge In Honor of Rolling Stone's 40th Anniversary at the Hard Rock Hotel and Casino on September 8, 2007 in Las Vegas, Nevada.  (Photo by Amy Graves/WireImage for Key Group)