<Tr> <Td> "The Beak" </Td> <Td> Danny Jacob and Laura Dickinson </Td> <Td> Jeff "Swampy" Marsh, Dan Povenmire, Martin Olson, John Colton Barry </Td> </Tr> <Tr> <Td> "Phineas and Ferb - Busters" </Td> <Td> "Busted" </Td> <Td> Candace </Td> <Td> N / A </Td> </Tr> <Tr> <Td> "Bust Your Brothers" </Td> <Td> Robbie Wyckoff </Td> <Td> Dan Povenmire, Martin Olson </Td> </Tr> <Tr> <Td> "Robot Rodeo" </Td> <Td> "Robot Rodeo" </Td> <Td> Danny Jacob </Td> <Td> Dan Povenmire, Jeff "Swampy" Marsh, Martin Olson </Td> </Tr>

Who writes the songs for phineas and ferb