<Tr> <Th> Producer (s) </Th> <Td> Johnny K </Td> </Tr> <Tr> <Th_colspan="2"> Disturbed singles chronology </Th> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> "Stupify" (2000) </Td> <Td> "Down with the Sickness" (2000) </Td> <Td> "Voices" (2000) </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Td> "Stupify" (2000) </Td> <Td> "Down with the Sickness" (2000) </Td> <Td> "Voices" (2000) </Td> </Tr> </Table>

Who sings the song down with the sickness