<P> All tracks written by Mike Shinoda . </P> <Table> <Tr> <Th_colspan="3"> US 5 Track Promo CD (Warner Bros. Records) </Th> </Tr> <Tr> <Th> No . </Th> <Th> Title </Th> <Th> Length </Th> </Tr> <Tr> <Td> 1 . </Td> <Td> "Where'd You Go" (Album version) (featuring Holly Brook) </Td> <Td> 3: 51 </Td> </Tr> <Tr> <Td> 2 . </Td> <Td> "Where'd You Go" (Radio version) </Td> <Td> 3: 51 </Td> </Tr> <Tr> <Td> 3 . </Td> <Td> "Where'd You Go" (Instrumental) </Td> <Td> 3: 53 </Td> </Tr> <Tr> <Td> 4 . </Td> <Td> "Where'd You Go" (A Capella) </Td> <Td> 3: 17 </Td> </Tr> <Tr> <Td> 5 . </Td> <Td> "Where'd You Go" (Radio A Capella) </Td> <Td> 3: 19 </Td> </Tr> </Table> <Tr> <Th_colspan="3"> US 5 Track Promo CD (Warner Bros. Records) </Th> </Tr> <Tr> <Th> No . </Th> <Th> Title </Th> <Th> Length </Th> </Tr>

Where did you go i need you so