<Table> <Tr> <Td> </Td> <Td> "Spirits" (2015) </Td> <Td> "We Don't Know" (2016) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> "Spirits" (2015) </Td> <Td> "We Don't Know" (2016) </Td> </Tr> <Tr> <Td_colspan="2"> <P> </P> <Table> <Tr> <Td> </Td> <Td> "Spirits" (2015) </Td> <Td> "We Don't Know" (2016) </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Td> </Td> <Td> "Spirits" (2015) </Td> <Td> "We Don't Know" (2016) </Td> </Tr> </Table>

What is the song spirits by the strumbellas about