 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 <unk> , Aaron Kaplan , Victor <unk> , Chris Chaney , Davey <unk> and DJ <unk> to develop the music . Major contributions were provided by Mark on keyboard , McCready and <unk> on guitar , Chaney and Lessard on bass , <unk> on drums and DJ <unk> on turntables . 
