<Tr> <Td> 12 . </Td> <Td> "We're All in This Together" </Td> <Td> Matthew Gerrard; Robbie Nevil </Td> <Td> Efron, Seeley * *, Hudgens, Tisdale, Grabeel, Corbin Bleu, Monique Coleman </Td> <Td> 3: 51 </Td> </Tr> <Tr> <Td> 13 . </Td> <Td> "I Can't Take My Eyes Off of You" </Td> <Td> Matthew Gerrard; Robbie Nevil </Td> <Td> Efron, Seeley * *, Hudgens, Tisdale, Grabeel, </Td> <Td> 2: 51 </Td> </Tr> <Tr> <Td> 14 . </Td> <Td> "Get'cha Head In The Game" </Td> <Td> Ray Cham; Greg Cham; Andrew Seeley; David Lawrence; Faye Greenberg </Td> <Td> B5 </Td> <Td> 2: 43 </Td> </Tr> <Tr> <Td> 15 . </Td> <Td> "Start of Something New" </Td> <Td> Matthew Gerrard; Robbie Nevil </Td> <Td> (Instrumental *) </Td> <Td> 3: 17 </Td> </Tr>

Who sings get your head in the game