<Tr> <Td> Zhang Zilun </Td> <Td> Brother Tai </Td> <Td> Shi Yue's enemy . </Td> </Tr> <P> The series started filming in March 2017 at Shanghai and wrapped up in July 2017, taking a total of 113 days . About 400 quadcopters were employed for filming the set of the series . </P> <Table> <Tr> <Th_colspan="4"> Only Side by Side with You - Original Television Soundtrack </Th> </Tr> <Tr> <Th> No . </Th> <Th> Title </Th> <Th> Music </Th> <Th> Length </Th> </Tr> <Tr> <Td> 1 . </Td> <Td> "Lucid Dream (清醒 梦境)" (Theme song) </Td> <Td> William Chan </Td> <Td> 4: 16 </Td> </Tr> <Tr> <Td> 2 . </Td> <Td> "Microscopic view of the world (微观世界)" (Opening theme song) </Td> <Td> He Jie / Victor Ma </Td> <Td> </Td> </Tr> <Tr> <Td> 3 . </Td> <Td> "Is there a relationship like this (有 没有 这样 一 种 关系)" </Td> <Td> Jin Chi </Td> <Td> </Td> </Tr> <Tr> <Td> 4 . </Td> <Td> "Two difficulties (两难)" </Td> <Td> Silence Wong </Td> <Td> </Td> </Tr> <Tr> <Td> 5 . </Td> <Td> "One Two Three (一 二 三)" </Td> <Td> Juno Su </Td> <Td> </Td> </Tr> <Tr> <Td> 6 . </Td> <Td> "No One Knows" </Td> <Td> Silence Wong </Td> <Td> </Td> </Tr> </Table> <Tr> <Th_colspan="4"> Only Side by Side with You - Original Television Soundtrack </Th> </Tr>

Only side by side with you opening song