 Linkin Park also participated in numerous charitable events , most notably raised money to benefit victims of Hurricane Charley in 2004 and later Hurricane Katrina in 2005 . The band donated $ 75 @,@ 000 to the Special Operations Warrior Foundation in March 2004 . They also helped relief efforts for the 2004 Indian Ocean tsunami victims by staging several charity concerts and setting up an additional fund called Music for Relief . Most notably , however , the band participated at Live 8 , a series of charitable benefit concerts set up to raise global awareness . Alongside Jay @-@ Z , the band performed on Live 8 's stage in Philadelphia , Pennsylvania , to a global audience . The band would later be reunited with Jay @-@ Z at the Grammy Award Ceremony 2006 , during which they performed " Numb / Encore " , en route to winning a Grammy for Best Rap / Sung Collaboration . They were joined on stage by Paul McCartney who added verses from the song " Yesterday " . They would later go on to play at the 2006 Summer Sonic music festival , which was hosted by Metallica in Japan . 
