 The soundtrack was composed by award @-@ winning composer Christopher Lennertz , with music contributed by Mike McCready of Pearl Jam , Stefan Lessard of Dave Matthews Band and Money Mark — a collaborator with the Beastie Boys . McCready , Lessard , and Mark worked with musicians Matt Chamberlain , David Levita , Aaron Kaplan , Victor Indrizzo , Chris Chaney , Davey Chegwidden and DJ Cheapshot to develop the music . Major contributions were provided by Mark on keyboard , McCready and Levita on guitar , Chaney and Lessard on bass , Indrizzo on drums and DJ Cheapshot on turntables . 
