<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 . (March 2016) (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 . (March 2016) (Learn how and when to remove this template message) </Td> </Tr> <Table> <Tr> <Th_colspan="2"> "What You Won't Do for Love" </Th> </Tr> <Tr> <Td_colspan="2"> U.S. red heart - shaped vinyl limited edition </Td> </Tr> <Tr> <Th_colspan="2"> Single by Bobby Caldwell </Th> </Tr> <Tr> <Th_colspan="2"> from the album Bobby Caldwell </Th> </Tr> <Tr> <Th> B - side </Th> <Td> "Love Won't Wait" </Td> </Tr> <Tr> <Th> Released </Th> <Td> December 1978 </Td> </Tr> <Tr> <Th> Recorded </Th> <Td> 1978 </Td> </Tr> <Tr> <Th> Genre </Th> <Td> <Ul> <Li> Blue - eyed soul </Li> <Li> smooth jazz </Li> <Li> R&B </Li> <Li> quiet storm </Li> </Ul> </Td> </Tr> <Tr> <Th> Length </Th> <Td> 4: 45 </Td> </Tr> <Tr> <Th> Label </Th> <Td> Clouds (U.S.) TK (international) </Td> </Tr> <Tr> <Th> Songwriter (s) </Th> <Td> Bobby Caldwell, Alfons Kettner </Td> </Tr> <Tr> <Th> Producer (s) </Th> <Td> Ann Holloway </Td> </Tr> <Tr> <Th_colspan="2"> Bobby Caldwell singles chronology </Th> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> </Td> <Td> "What You Won't Do for Love" (1978) </Td> <Td> "My Flame" (1979) </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> </Td> <Td> "What You Won't Do for Love" (1978) </Td> <Td> "My Flame" (1979) </Td> </Tr> </Table> </Td> </Tr> </Table> <Tr> <Th_colspan="2"> "What You Won't Do for Love" </Th> </Tr>

Who sings i came back to let you know