<Tr> <Th> Canada CHR / Top 40 (Billboard) </Th> <Td> </Td> </Tr> <Tr> <Th> Canada Hot AC (Billboard) </Th> <Td> </Td> </Tr> <Tr> <Th> Czech Republic (Rádio Top 100) </Th> <Td> </Td> </Tr> <Tr> <Th> Czech Republic (Singles Digitál Top 100) </Th> <Td> </Td> </Tr>

What is the theme of the song shake it off