<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (May 2012) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (May 2012) (Learn how and when to remove this template message) </Td> </Tr> <Table> <Tr> <Th_colspan="2"> "Shine On You Crazy Diamond" </Th> </Tr> <Tr> <Td_colspan="2"> The single edit of Part I </Td> </Tr> <Tr> <Th_colspan="2"> Song series by Pink Floyd </Th> </Tr> <Tr> <Th_colspan="2"> from the album Wish You Were Here </Th> </Tr> <Tr> <Th> Published </Th> <Td> Pink Floyd Music Publishers Ltd </Td> </Tr> <Tr> <Th> Released </Th> <Td> 15 September 1975 </Td> </Tr> <Tr> <Th> Recorded </Th> <Td> January--July 1975 </Td> </Tr> <Tr> <Th> Genre </Th> <Td> <Ul> <Li> Progressive rock </Li> <Li> ambient </Li> </Ul> </Td> </Tr> <Tr> <Th> Length </Th> <Td> 26: 00 (All parts) 13: 32 (Parts I--V) 12: 28 (Parts VI--IX) 3: 53 (Single edit) </Td> </Tr> <Tr> <Th> Label </Th> <Td> Harvest (UK) Columbia / CBS (US) </Td> </Tr> <Tr> <Th> Songwriter (s) </Th> <Td> David Gilmour, Roger Waters, Richard Wright </Td> </Tr> <Tr> <Th> Producer (s) </Th> <Td> Pink Floyd </Td> </Tr> </Table> <Tr> <Th_colspan="2"> "Shine On You Crazy Diamond" </Th> </Tr>

When was shine on you crazy diamond written